100238904 has 32 divisors (see below), whose sum is σ = 278442000. Its totient is φ = 33412896.

The previous prime is 100238881. The next prime is 100238909. The reversal of 100238904 is 409832001.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100238909) 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, 231819 + ... + 232250.

Almost surely, 2^100238904 is an apocalyptic number.

It is an amenable number.

100238904 is an abundant number, since it is smaller than the sum of its proper divisors (178203096).

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

100238904 is a wasteful number, since it uses less digits than its factorization.

100238904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464084 (or 464074 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 100238904 is about 10011.9380741193. The cubic root of 100238904 is about 464.5282207762.

The spelling of 100238904 in words is "one hundred million, two hundred thirty-eight thousand, nine hundred four".