83996604 has 18 divisors (see below), whose sum is σ = 212324840. Its totient is φ = 27998856.

The previous prime is 83996579. The next prime is 83996617. The reversal of 83996604 is 40669938.

83996604 is a `hidden beast` number, since 8 + 39 + 9 + 6 + 604 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 83996604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1166584 + ... + 1166655.

Almost surely, 2^83996604 is an apocalyptic number.

It is an amenable number.

83996604 is an abundant number, since it is smaller than the sum of its proper divisors (128328236).

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

83996604 is a wasteful number, since it uses less digits than its factorization.

83996604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2333249 (or 2333244 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 83996604 is about 9164.9661210503. The cubic root of 83996604 is about 437.9460119858.

The spelling of 83996604 in words is "eighty-three million, nine hundred ninety-six thousand, six hundred four".