90453864 has 16 divisors (see below), whose sum is σ = 226134720. Its totient is φ = 30151280.

The previous prime is 90453827. The next prime is 90453907. The reversal of 90453864 is 46835409.

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, 1884432 + ... + 1884479.

It is an arithmetic number, because the mean of its divisors is an integer number (14133420).

Almost surely, 2^90453864 is an apocalyptic number.

It is an amenable number.

90453864 is an abundant number, since it is smaller than the sum of its proper divisors (135680856).

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

90453864 is a wasteful number, since it uses less digits than its factorization.

90453864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3768920 (or 3768916 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 90453864 is about 9510.7236317748. The cubic root of 90453864 is about 448.8925260664.

The spelling of 90453864 in words is "ninety million, four hundred fifty-three thousand, eight hundred sixty-four".