83985834 has 16 divisors (see below), whose sum is σ = 175275072. Its totient is φ = 26778048.

The previous prime is 83985821. The next prime is 83985877. The reversal of 83985834 is 43858938.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 304159 + ... + 304434.

It is an arithmetic number, because the mean of its divisors is an integer number (10954692).

Almost surely, 2^83985834 is an apocalyptic number.

83985834 is an abundant number, since it is smaller than the sum of its proper divisors (91289238).

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

83985834 is a wasteful number, since it uses less digits than its factorization.

83985834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608621.

The product of its digits is 829440, while the sum is 48.

The square root of 83985834 is about 9164.3785386681. The cubic root of 83985834 is about 437.9272934507.

The spelling of 83985834 in words is "eighty-three million, nine hundred eighty-five thousand, eight hundred thirty-four".