90665024 has 14 divisors (see below), whose sum is σ = 179913534. Its totient is φ = 45332480.

The previous prime is 90665023. The next prime is 90665077. The reversal of 90665024 is 42056609.

It can be written as a sum of positive squares in only one way, i.e., 80425024 + 10240000 = 8968^2 + 3200^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (90665023) 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 as a sum of consecutive naturals, namely, 708257 + ... + 708384.

Almost surely, 2^90665024 is an apocalyptic number.

It is an amenable number.

90665024 is a deficient number, since it is larger than the sum of its proper divisors (89248510).

90665024 is a wasteful number, since it uses less digits than its factorization.

90665024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416653 (or 1416643 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 90665024 is about 9521.8183137466. The cubic root of 90665024 is about 449.2415602876.

The spelling of 90665024 in words is "ninety million, six hundred sixty-five thousand, twenty-four".