90658368 has 42 divisors (see below), whose sum is σ = 259857494. Its totient is φ = 30219264.

The previous prime is 90658363. The next prime is 90658369. The reversal of 90658368 is 86385609.

90658368 is a `hidden beast` number, since 9 + 0 + 6 + 583 + 68 = 666.

It can be written as a sum of positive squares in only one way, i.e., 71368704 + 19289664 = 8448^2 + 4392^2 .

It is not an unprimeable number, because it can be changed into a prime (90658361) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78121 + ... + 79272.

Almost surely, 2^90658368 is an apocalyptic number.

It is an amenable number.

90658368 is an abundant number, since it is smaller than the sum of its proper divisors (169199126).

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

90658368 is a wasteful number, since it uses less digits than its factorization.

90658368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157411 (or 157398 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 90658368 is about 9521.4687942565. The cubic root of 90658368 is about 449.2305666141.

The spelling of 90658368 in words is "ninety million, six hundred fifty-eight thousand, three hundred sixty-eight".