82943828 has 24 divisors (see below), whose sum is σ = 163810080. Its totient is φ = 36401120.

The previous prime is 82943813. The next prime is 82943831. The reversal of 82943828 is 82834928.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent 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, 31226 + ... + 33777.

It is an arithmetic number, because the mean of its divisors is an integer number (6825420).

Almost surely, 2^82943828 is an apocalyptic number.

It is an amenable number.

82943828 is a deficient number, since it is larger than the sum of its proper divisors (80866252).

82943828 is a wasteful number, since it uses less digits than its factorization.

82943828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65047 (or 65045 counting only the distinct ones).

The product of its digits is 221184, while the sum is 44.

The square root of 82943828 is about 9107.3502183676. The cubic root of 82943828 is about 436.1086408282.

Subtracting from 82943828 its reverse (82834928), we obtain a square (108900 = 330²).

The spelling of 82943828 in words is "eighty-two million, nine hundred forty-three thousand, eight hundred twenty-eight".