100430432 has 48 divisors (see below), whose sum is σ = 204466752. Its totient is φ = 48522240.

The previous prime is 100430431. The next prime is 100430437. The reversal of 100430432 is 234034001.

It is a self number, because there is not a number n which added to its sum of digits gives 100430432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100430431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320708 + ... + 321020.

It is an arithmetic number, because the mean of its divisors is an integer number (4259724).

Almost surely, 2^100430432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100430432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102233376).

100430432 is an abundant number, since it is smaller than the sum of its proper divisors (104036320).

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

100430432 is a wasteful number, since it uses less digits than its factorization.

100430432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631 (or 623 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 100430432 is about 10021.4984907448. The cubic root of 100430432 is about 464.8238929223.

Adding to 100430432 its reverse (234034001), we get a palindrome (334464433).

The spelling of 100430432 in words is "one hundred million, four hundred thirty thousand, four hundred thirty-two".