100902438 has 96 divisors (see below), whose sum is σ = 271252800. Its totient is φ = 26396928.

The previous prime is 100902437. The next prime is 100902443. The reversal of 100902438 is 834209001.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100902437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 374968 + ... + 375236.

It is an arithmetic number, because the mean of its divisors is an integer number (2825550).

Almost surely, 2^100902438 is an apocalyptic number.

100902438 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 100902438, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135626400).

100902438 is an abundant number, since it is smaller than the sum of its proper divisors (170350362).

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

100902438 is a wasteful number, since it uses less digits than its factorization.

100902438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526 (or 523 counting only the distinct ones).

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

The square root of 100902438 is about 10045.0205574703. The cubic root of 100902438 is about 465.5509529144.

The spelling of 100902438 in words is "one hundred million, nine hundred two thousand, four hundred thirty-eight".