90892232 has 8 divisors (see below), whose sum is σ = 170422950. Its totient is φ = 45446112.

The previous prime is 90892213. The next prime is 90892237. The reversal of 90892232 is 23229809.

It can be written as a sum of positive squares in only one way, i.e., 75099556 + 15792676 = 8666^2 + 3974^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×90892232² = 16522795675883648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 90892192 and 90892201.

It is not an unprimeable number, because it can be changed into a prime (90892237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5680757 + ... + 5680772.

Almost surely, 2^90892232 is an apocalyptic number.

It is an amenable number.

90892232 is a deficient number, since it is larger than the sum of its proper divisors (79530718).

90892232 is a wasteful number, since it uses less digits than its factorization.

90892232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11361535 (or 11361531 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 90892232 is about 9533.7417628128. The cubic root of 90892232 is about 449.6165160914.

The spelling of 90892232 in words is "ninety million, eight hundred ninety-two thousand, two hundred thirty-two".