90825664 has 28 divisors (see below), whose sum is σ = 182029608. Its totient is φ = 44960000.

The previous prime is 90825661. The next prime is 90825673. The reversal of 90825664 is 46652809.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90825661) 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, 562 + ... + 13489.

Almost surely, 2^90825664 is an apocalyptic number.

It is an amenable number.

90825664 is an abundant number, since it is smaller than the sum of its proper divisors (91203944).

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

90825664 is a wasteful number, since it uses less digits than its factorization.

90825664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14164 (or 14154 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 90825664 is about 9530.2499442564. The cubic root of 90825664 is about 449.5067253303.

The spelling of 90825664 in words is "ninety million, eight hundred twenty-five thousand, six hundred sixty-four".