83819934 has 48 divisors (see below), whose sum is σ = 205470720. Its totient is φ = 25398360.

The previous prime is 83819909. The next prime is 83819951. The reversal of 83819934 is 43991838.

It is a self number, because there is not a number n which added to its sum of digits gives 83819934.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2494 + ... + 13185.

It is an arithmetic number, because the mean of its divisors is an integer number (4280640).

Almost surely, 2^83819934 is an apocalyptic number.

83819934 is an abundant number, since it is smaller than the sum of its proper divisors (121650786).

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

83819934 is a wasteful number, since it uses less digits than its factorization.

83819934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15707 (or 15695 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 83819934 is about 9155.3227141374. The cubic root of 83819934 is about 437.6387526160.

The spelling of 83819934 in words is "eighty-three million, eight hundred nineteen thousand, nine hundred thirty-four".