83983564 has 24 divisors (see below), whose sum is σ = 168848288. Its totient is φ = 35804160.

The previous prime is 83983547. The next prime is 83983567. The reversal of 83983564 is 46538938.

It is not an unprimeable number, because it can be changed into a prime (83983567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2367 + ... + 13174.

Almost surely, 2^83983564 is an apocalyptic number.

It is an amenable number.

83983564 is an abundant number, since it is smaller than the sum of its proper divisors (84864724).

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

83983564 is a wasteful number, since it uses less digits than its factorization.

83983564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15745 (or 15743 counting only the distinct ones).

The product of its digits is 622080, while the sum is 46.

The square root of 83983564 is about 9164.2546887349. The cubic root of 83983564 is about 437.9233479285.

The spelling of 83983564 in words is "eighty-three million, nine hundred eighty-three thousand, five hundred sixty-four".