90325788 has 48 divisors (see below), whose sum is σ = 246753024. Its totient is φ = 25176960.

The previous prime is 90325787. The next prime is 90325801. The reversal of 90325788 is 88752309.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90325783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9670 + ... + 16557.

It is an arithmetic number, because the mean of its divisors is an integer number (5140688).

Almost surely, 2^90325788 is an apocalyptic number.

It is an amenable number.

90325788 is an abundant number, since it is smaller than the sum of its proper divisors (156427236).

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

90325788 is a wasteful number, since it uses less digits than its factorization.

90325788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26282 (or 26280 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 90325788 is about 9503.9880050429. The cubic root of 90325788 is about 448.6805597557.

The spelling of 90325788 in words is "ninety million, three hundred twenty-five thousand, seven hundred eighty-eight".