90502668 has 36 divisors (see below), whose sum is σ = 229062288. Its totient is φ = 30129120.

The previous prime is 90502663. The next prime is 90502693. The reversal of 90502668 is 86620509.

90502668 is a `hidden beast` number, since 90 + 502 + 6 + 68 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (90502663) 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 11 ways as a sum of consecutive naturals, for example, 48513 + ... + 50343.

Almost surely, 2^90502668 is an apocalyptic number.

It is an amenable number.

90502668 is an abundant number, since it is smaller than the sum of its proper divisors (138559620).

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

90502668 is a wasteful number, since it uses less digits than its factorization.

90502668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3214 (or 3209 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 90502668 is about 9513.2890211535. The cubic root of 90502668 is about 448.9732442394.

The spelling of 90502668 in words is "ninety million, five hundred two thousand, six hundred sixty-eight".