90397065 has 32 divisors (see below), whose sum is σ = 160776576. Its totient is φ = 42997760.

The previous prime is 90397057. The next prime is 90397067. The reversal of 90397065 is 56079309.

It is not a de Polignac number, because 90397065 - 2³ = 90397057 is a prime.

It is a super-2 number, since 2×90397065² = 16343258721228450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (90397067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3577 + ... + 13913.

It is an arithmetic number, because the mean of its divisors is an integer number (5024268).

Almost surely, 2^90397065 is an apocalyptic number.

It is an amenable number.

90397065 is a deficient number, since it is larger than the sum of its proper divisors (70379511).

90397065 is a wasteful number, since it uses less digits than its factorization.

90397065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10409.

The product of its (nonzero) digits is 51030, while the sum is 39.

The square root of 90397065 is about 9507.7371124784. The cubic root of 90397065 is about 448.7985481935.

The spelling of 90397065 in words is "ninety million, three hundred ninety-seven thousand, sixty-five".