83398844 has 24 divisors (see below), whose sum is σ = 149809968. Its totient is φ = 40602240.

The previous prime is 83398807. The next prime is 83398891. The reversal of 83398844 is 44889338.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78074 + ... + 79134.

It is an arithmetic number, because the mean of its divisors is an integer number (6242082).

Almost surely, 2^83398844 is an apocalyptic number.

It is an amenable number.

83398844 is a deficient number, since it is larger than the sum of its proper divisors (66411124).

83398844 is a wasteful number, since it uses less digits than its factorization.

83398844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565 (or 1563 counting only the distinct ones).

The product of its digits is 663552, while the sum is 47.

The square root of 83398844 is about 9132.2967538292. The cubic root of 83398844 is about 436.9046600657.

The spelling of 83398844 in words is "eighty-three million, three hundred ninety-eight thousand, eight hundred forty-four".