90008838 has 12 divisors (see below), whose sum is σ = 195019188. Its totient is φ = 30002940.

The previous prime is 90008813. The next prime is 90008869. The reversal of 90008838 is 83880009.

It is a super-2 number, since 2×90008838² = 16203181836220488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2500228 + ... + 2500263.

It is an arithmetic number, because the mean of its divisors is an integer number (16251599).

Almost surely, 2^90008838 is an apocalyptic number.

90008838 is an abundant number, since it is smaller than the sum of its proper divisors (105010350).

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

90008838 is a wasteful number, since it uses less digits than its factorization.

90008838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000499 (or 5000496 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 90008838 is about 9487.2987725696. The cubic root of 90008838 is about 448.1551433071.

The spelling of 90008838 in words is "ninety million, eight thousand, eight hundred thirty-eight".