90884792 has 16 divisors (see below), whose sum is σ = 170897040. Its totient is φ = 45312256.

The previous prime is 90884747. The next prime is 90884797. The reversal of 90884792 is 29748809.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90884797) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13268 + ... + 18915.

It is an arithmetic number, because the mean of its divisors is an integer number (10681065).

Almost surely, 2^90884792 is an apocalyptic number.

It is an amenable number.

90884792 is a deficient number, since it is larger than the sum of its proper divisors (80012248).

90884792 is a wasteful number, since it uses less digits than its factorization.

90884792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32542 (or 32538 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 90884792 is about 9533.3515617541. The cubic root of 90884792 is about 449.6042479430.

The spelling of 90884792 in words is "ninety million, eight hundred eighty-four thousand, seven hundred ninety-two".