90038862 has 24 divisors (see below), whose sum is σ = 195273624. Its totient is φ = 29983824.

The previous prime is 90038833. The next prime is 90038899. The reversal of 90038862 is 26883009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25008 + ... + 28380.

It is an arithmetic number, because the mean of its divisors is an integer number (8136401).

Almost surely, 2^90038862 is an apocalyptic number.

90038862 is an abundant number, since it is smaller than the sum of its proper divisors (105234762).

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

90038862 is a wasteful number, since it uses less digits than its factorization.

With its successor (90038863) it forms an eRAP, since the sums of their prime factors are consecutive (4864 and 4865).

90038862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4864 (or 4861 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 90038862 is about 9488.8809666894. The cubic root of 90038862 is about 448.2049677262.

The spelling of 90038862 in words is "ninety million, thirty-eight thousand, eight hundred sixty-two".