90319365 has 12 divisors (see below), whose sum is σ = 156553644. Its totient is φ = 48170304.

The previous prime is 90319349. The next prime is 90319379. The reversal of 90319365 is 56391309.

It can be written as a sum of positive squares in 2 ways, for example, as 20061441 + 70257924 = 4479^2 + 8382^2 .

It is not a de Polignac number, because 90319365 - 2⁴ = 90319349 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1003504 + ... + 1003593.

It is an arithmetic number, because the mean of its divisors is an integer number (13046137).

Almost surely, 2^90319365 is an apocalyptic number.

It is an amenable number.

90319365 is a deficient number, since it is larger than the sum of its proper divisors (66234279).

90319365 is a wasteful number, since it uses less digits than its factorization.

90319365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2007108 (or 2007105 counting only the distinct ones).

The product of its (nonzero) digits is 21870, while the sum is 36.

The square root of 90319365 is about 9503.6500882556. The cubic root of 90319365 is about 448.6699243893.

The spelling of 90319365 in words is "ninety million, three hundred nineteen thousand, three hundred sixty-five".