105630432 has 96 divisors (see below), whose sum is σ = 290594304. Its totient is φ = 33561600.

The previous prime is 105630419. The next prime is 105630461. The reversal of 105630432 is 234036501.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×105630432² = 22315576329013248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184707 + ... + 185277.

It is an arithmetic number, because the mean of its divisors is an integer number (3027024).

Almost surely, 2^105630432 is an apocalyptic number.

105630432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105630432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145297152).

105630432 is an abundant number, since it is smaller than the sum of its proper divisors (184963872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105630432 is a wasteful number, since it uses less digits than its factorization.

105630432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672 (or 664 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 105630432 is about 10277.6666612612. Note that the first 5 decimals coincide. The cubic root of 105630432 is about 472.7117004374.

Adding to 105630432 its reverse (234036501), we get a palindrome (339666933).

The spelling of 105630432 in words is "one hundred five million, six hundred thirty thousand, four hundred thirty-two".