83992040 has 32 divisors (see below), whose sum is σ = 206163360. Its totient is φ = 30542400.

The previous prime is 83992039. The next prime is 83992049. The reversal of 83992040 is 4029938.

It is not an unprimeable number, because it can be changed into a prime (83992049) 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, 95006 + ... + 95885.

It is an arithmetic number, because the mean of its divisors is an integer number (6442605).

Almost surely, 2^83992040 is an apocalyptic number.

It is an amenable number.

83992040 is an abundant number, since it is smaller than the sum of its proper divisors (122171320).

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

83992040 is a wasteful number, since it uses less digits than its factorization.

83992040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190913 (or 190909 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 83992040 is about 9164.7171260219. The cubic root of 83992040 is about 437.9380798326.

The spelling of 83992040 in words is "eighty-three million, nine hundred ninety-two thousand, forty".