90566412 has 24 divisors (see below), whose sum is σ = 223752816. Its totient is φ = 28412928.

The previous prime is 90566389. The next prime is 90566447. The reversal of 90566412 is 21466509.

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, 221773 + ... + 222180.

It is an arithmetic number, because the mean of its divisors is an integer number (9323034).

Almost surely, 2^90566412 is an apocalyptic number.

It is an amenable number.

90566412 is an abundant number, since it is smaller than the sum of its proper divisors (133186404).

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

90566412 is a wasteful number, since it uses less digits than its factorization.

90566412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443977 (or 443975 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 90566412 is about 9516.6386923115. The cubic root of 90566412 is about 449.0786283663.

The spelling of 90566412 in words is "ninety million, five hundred sixty-six thousand, four hundred twelve".