90326015 has 32 divisors (see below), whose sum is σ = 126536256. Its totient is φ = 61286400.

The previous prime is 90326003. The next prime is 90326023. The reversal of 90326015 is 51062309.

It is a Cunningham number, because it is equal to 9504²-1.

It is not a de Polignac number, because 90326015 - 2⁶ = 90325951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46565 + ... + 48465.

It is an arithmetic number, because the mean of its divisors is an integer number (3954258).

Almost surely, 2^90326015 is an apocalyptic number.

90326015 is a deficient number, since it is larger than the sum of its proper divisors (36210241).

90326015 is a wasteful number, since it uses less digits than its factorization.

90326015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1979.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 90326015 is about 9503.9999473906. Note that the first 4 decimals coincide. The cubic root of 90326015 is about 448.6809356188.

The spelling of 90326015 in words is "ninety million, three hundred twenty-six thousand, fifteen".