90314815 has 8 divisors (see below), whose sum is σ = 108779328. Its totient is φ = 71984160.

The previous prime is 90314803. The next prime is 90314821. The reversal of 90314815 is 51841309.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 90314815 - 2²¹ = 88217663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 31972 + ... + 34681.

It is an arithmetic number, because the mean of its divisors is an integer number (13597416).

Almost surely, 2^90314815 is an apocalyptic number.

90314815 is a deficient number, since it is larger than the sum of its proper divisors (18464513).

90314815 is a wasteful number, since it uses less digits than its factorization.

90314815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66929.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 90314815 is about 9503.4107035317. The cubic root of 90314815 is about 448.6623900788.

The spelling of 90314815 in words is "ninety million, three hundred fourteen thousand, eight hundred fifteen".