90165294 has 24 divisors (see below), whose sum is σ = 195904800. Its totient is φ = 29971008.

The previous prime is 90165287. The next prime is 90165311. The reversal of 90165294 is 49256109.

It is an alternating number because its digits alternate between odd and even.

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, 219 + ... + 13430.

It is an arithmetic number, because the mean of its divisors is an integer number (8162700).

Almost surely, 2^90165294 is an apocalyptic number.

90165294 is an abundant number, since it is smaller than the sum of its proper divisors (105739506).

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

90165294 is a wasteful number, since it uses less digits than its factorization.

90165294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14024 (or 14021 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 90165294 is about 9495.5407428961. The cubic root of 90165294 is about 448.4146584674.

The spelling of 90165294 in words is "ninety million, one hundred sixty-five thousand, two hundred ninety-four".