90258568 has 16 divisors (see below), whose sum is σ = 169344000. Its totient is φ = 45100176.

The previous prime is 90258563. The next prime is 90258583. The reversal of 90258568 is 86585209.

It is not an unprimeable number, because it can be changed into a prime (90258563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15393 + ... + 20431.

It is an arithmetic number, because the mean of its divisors is an integer number (10584000).

Almost surely, 2^90258568 is an apocalyptic number.

It is an amenable number.

90258568 is a deficient number, since it is larger than the sum of its proper divisors (79085432).

90258568 is a wasteful number, since it uses less digits than its factorization.

90258568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7284 (or 7280 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 43.

The square root of 90258568 is about 9500.4509366661. The cubic root of 90258568 is about 448.5692301908.

The spelling of 90258568 in words is "ninety million, two hundred fifty-eight thousand, five hundred sixty-eight".