90418064 has 20 divisors (see below), whose sum is σ = 191111280. Its totient is φ = 41099040.

The previous prime is 90418057. The next prime is 90418067. The reversal of 90418064 is 46081409.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 90418064.

It is not an unprimeable number, because it can be changed into a prime (90418067) by changing a digit.

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, 256694 + ... + 257045.

It is an arithmetic number, because the mean of its divisors is an integer number (9555564).

Almost surely, 2^90418064 is an apocalyptic number.

It is an amenable number.

90418064 is an abundant number, since it is smaller than the sum of its proper divisors (100693216).

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

90418064 is a wasteful number, since it uses less digits than its factorization.

90418064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513758 (or 513752 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 90418064 is about 9508.8413594928. The cubic root of 90418064 is about 448.8332970764.

The spelling of 90418064 in words is "ninety million, four hundred eighteen thousand, sixty-four".