100438902 has 24 divisors (see below), whose sum is σ = 229071960. Its totient is φ = 31717440.

The previous prime is 100438847. The next prime is 100438913. The reversal of 100438902 is 209834001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 146499 + ... + 147182.

It is an arithmetic number, because the mean of its divisors is an integer number (9544665).

Almost surely, 2^100438902 is an apocalyptic number.

100438902 is an abundant number, since it is smaller than the sum of its proper divisors (128633058).

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

100438902 is a wasteful number, since it uses less digits than its factorization.

100438902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293708 (or 293705 counting only the distinct ones).

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

The square root of 100438902 is about 10021.9210733272. The cubic root of 100438902 is about 464.8369598371.

The spelling of 100438902 in words is "one hundred million, four hundred thirty-eight thousand, nine hundred two".