100443930 has 16 divisors (see below), whose sum is σ = 241065504. Its totient is φ = 26785040.

The previous prime is 100443929. The next prime is 100443961. The reversal of 100443930 is 39344001.

It is a self number, because there is not a number n which added to its sum of digits gives 100443930.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1674036 + ... + 1674095.

It is an arithmetic number, because the mean of its divisors is an integer number (15066594).

Almost surely, 2^100443930 is an apocalyptic number.

100443930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100443930 is an abundant number, since it is smaller than the sum of its proper divisors (140621574).

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

100443930 is a wasteful number, since it uses less digits than its factorization.

100443930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3348141.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 100443930 is about 10022.1719202975. The cubic root of 100443930 is about 464.8447163311.

Adding to 100443930 its reverse (39344001), we get a palindrome (139787931).

The spelling of 100443930 in words is "one hundred million, four hundred forty-three thousand, nine hundred thirty".