83319644 has 12 divisors (see below), whose sum is σ = 146566224. Its totient is φ = 41443584.

The previous prime is 83319629. The next prime is 83319679. The reversal of 83319644 is 44691338.

It is a junction number, because it is equal to n+sod(n) for n = 83319598 and 83319607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53192 + ... + 54735.

It is an arithmetic number, because the mean of its divisors is an integer number (12213852).

Almost surely, 2^83319644 is an apocalyptic number.

It is an amenable number.

83319644 is a deficient number, since it is larger than the sum of its proper divisors (63246580).

83319644 is a wasteful number, since it uses less digits than its factorization.

83319644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108124 (or 108122 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The square root of 83319644 is about 9127.9594652912. The cubic root of 83319644 is about 436.7663135900.

The spelling of 83319644 in words is "eighty-three million, three hundred nineteen thousand, six hundred forty-four".