90295665 has 32 divisors (see below), whose sum is σ = 147864960. Its totient is φ = 47038464.

The previous prime is 90295663. The next prime is 90295669. The reversal of 90295665 is 56659209.

It is not a de Polignac number, because 90295665 - 2¹ = 90295663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90295661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 227247 + ... + 227643.

It is an arithmetic number, because the mean of its divisors is an integer number (4620780).

Almost surely, 2^90295665 is an apocalyptic number.

It is an amenable number.

90295665 is a deficient number, since it is larger than the sum of its proper divisors (57569295).

90295665 is a wasteful number, since it uses less digits than its factorization.

90295665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721.

The product of its (nonzero) digits is 145800, while the sum is 42.

The square root of 90295665 is about 9502.4031171067. The cubic root of 90295665 is about 448.6306769646.

The spelling of 90295665 in words is "ninety million, two hundred ninety-five thousand, six hundred sixty-five".