90964842 has 16 divisors (see below), whose sum is σ = 183732192. Its totient is φ = 30021200.

The previous prime is 90964829. The next prime is 90964871. The reversal of 90964842 is 24846909.

It is a junction number, because it is equal to n+sod(n) for n = 90964794 and 90964803.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74448 + ... + 75659.

It is an arithmetic number, because the mean of its divisors is an integer number (11483262).

Almost surely, 2^90964842 is an apocalyptic number.

90964842 is an abundant number, since it is smaller than the sum of its proper divisors (92767350).

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

90964842 is a wasteful number, since it uses less digits than its factorization.

90964842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150213.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 90964842 is about 9537.5490562303. The cubic root of 90964842 is about 449.7362108296.

It can be divided in two parts, 90964 and 842, that added together give a triangular number (91806 = T₄₂₈).

The spelling of 90964842 in words is "ninety million, nine hundred sixty-four thousand, eight hundred forty-two".