90979516 has 12 divisors (see below), whose sum is σ = 159357240. Its totient is φ = 45448880.

The previous prime is 90979507. The next prime is 90979519. The reversal of 90979516 is 61597909.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90979519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4906 + ... + 14353.

It is an arithmetic number, because the mean of its divisors is an integer number (13279770).

Almost surely, 2^90979516 is an apocalyptic number.

It is an amenable number.

90979516 is a deficient number, since it is larger than the sum of its proper divisors (68377724).

90979516 is a wasteful number, since it uses less digits than its factorization.

90979516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20444 (or 20442 counting only the distinct ones).

The product of its (nonzero) digits is 153090, while the sum is 46.

The square root of 90979516 is about 9538.3183004133. The cubic root of 90979516 is about 449.7603926057.

The spelling of 90979516 in words is "ninety million, nine hundred seventy-nine thousand, five hundred sixteen".