90937842 has 32 divisors (see below), whose sum is σ = 184909824. Its totient is φ = 29811600.

The previous prime is 90937841. The next prime is 90937853. The reversal of 90937842 is 24873909.

It is a super-2 number, since 2×90937842² = 16539382215233928, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 90937794 and 90937803.

It is not an unprimeable number, because it can be changed into a prime (90937841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99367 + ... + 100277.

It is an arithmetic number, because the mean of its divisors is an integer number (5778432).

Almost surely, 2^90937842 is an apocalyptic number.

90937842 is an abundant number, since it is smaller than the sum of its proper divisors (93971982).

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

90937842 is a wasteful number, since it uses less digits than its factorization.

90937842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 90937842 is about 9536.1334931931. The cubic root of 90937842 is about 449.6917098296.

The spelling of 90937842 in words is "ninety million, nine hundred thirty-seven thousand, eight hundred forty-two".