90668486 has 8 divisors (see below), whose sum is σ = 138308040. Its totient is φ = 44565808.

The previous prime is 90668477. The next prime is 90668503. The reversal of 90668486 is 68486609.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 90668486.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 384071 + ... + 384306.

It is an arithmetic number, because the mean of its divisors is an integer number (17288505).

Almost surely, 2^90668486 is an apocalyptic number.

90668486 is a deficient number, since it is larger than the sum of its proper divisors (47639554).

90668486 is a wasteful number, since it uses less digits than its factorization.

90668486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768438.

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 90668486 is about 9522.0001050200. Note that the first 3 decimals coincide. The cubic root of 90668486 is about 449.2472782385.

The spelling of 90668486 in words is "ninety million, six hundred sixty-eight thousand, four hundred eighty-six".