90660308 has 12 divisors (see below), whose sum is σ = 159260640. Its totient is φ = 45157272.

The previous prime is 90660299. The next prime is 90660329. The reversal of 90660308 is 80306609.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42038 + ... + 44141.

It is an arithmetic number, because the mean of its divisors is an integer number (13271720).

Almost surely, 2^90660308 is an apocalyptic number.

It is an amenable number.

90660308 is a deficient number, since it is larger than the sum of its proper divisors (68600332).

90660308 is a wasteful number, since it uses less digits than its factorization.

90660308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86446 (or 86444 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 90660308 is about 9521.5706687500. The cubic root of 90660308 is about 449.2337709555.

The spelling of 90660308 in words is "ninety million, six hundred sixty thousand, three hundred eight".