82943988 has 24 divisors (see below), whose sum is σ = 193794720. Its totient is φ = 27611040.

The previous prime is 82943977. The next prime is 82944013. The reversal of 82943988 is 88934928.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 82943988.

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 7 ways as a sum of consecutive naturals, for example, 5643 + ... + 14061.

It is an arithmetic number, because the mean of its divisors is an integer number (8074780).

Almost surely, 2^82943988 is an apocalyptic number.

It is an amenable number.

82943988 is an abundant number, since it is smaller than the sum of its proper divisors (110850732).

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

82943988 is a wasteful number, since it uses less digits than its factorization.

82943988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9247 (or 9245 counting only the distinct ones).

The product of its digits is 995328, while the sum is 51.

The square root of 82943988 is about 9107.3590024771. The cubic root of 82943988 is about 436.1089212482.

The spelling of 82943988 in words is "eighty-two million, nine hundred forty-three thousand, nine hundred eighty-eight".