82389944 has 32 divisors (see below), whose sum is σ = 190132320. Its totient is φ = 32593536.

The previous prime is 82389943. The next prime is 82389949. The reversal of 82389944 is 44998328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82389943) 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, 55859 + ... + 57314.

It is an arithmetic number, because the mean of its divisors is an integer number (5941635).

Almost surely, 2^82389944 is an apocalyptic number.

It is an amenable number.

82389944 is an abundant number, since it is smaller than the sum of its proper divisors (107742376).

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

82389944 is a wasteful number, since it uses less digits than its factorization.

82389944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113199 (or 113195 counting only the distinct ones).

The product of its digits is 497664, while the sum is 47.

The square root of 82389944 is about 9076.8906570477. The cubic root of 82389944 is about 435.1357201910.

The spelling of 82389944 in words is "eighty-two million, three hundred eighty-nine thousand, nine hundred forty-four".