90323816 has 16 divisors (see below), whose sum is σ = 184753440. Its totient is φ = 41056240.

The previous prime is 90323803. The next prime is 90323833. The reversal of 90323816 is 61832309.

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

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 3 ways as a sum of consecutive naturals, for example, 513116 + ... + 513291.

It is an arithmetic number, because the mean of its divisors is an integer number (11547090).

Almost surely, 2^90323816 is an apocalyptic number.

It is an amenable number.

90323816 is an abundant number, since it is smaller than the sum of its proper divisors (94429624).

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

90323816 is a wasteful number, since it uses less digits than its factorization.

90323816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026424 (or 1026420 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 90323816 is about 9503.8842585545. The cubic root of 90323816 is about 448.6772945217.

The spelling of 90323816 in words is "ninety million, three hundred twenty-three thousand, eight hundred sixteen".