83992 has 8 divisors (see below), whose sum is σ = 157500. Its totient is φ = 41992.

The previous prime is 83987. The next prime is 84011. The reversal of 83992 is 29938.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5242 + ... + 5257.

2⁸³⁹⁹² is an apocalyptic number.

It is an amenable number.

83992 is a deficient number, since it is larger than the sum of its proper divisors (73508).

83992 is a wasteful number, since it uses less digits than its factorization.

83992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10505 (or 10501 counting only the distinct ones).

The product of its digits is 3888, while the sum is 31.

The square root of 83992 is about 289.8137332840. The cubic root of 83992 is about 43.7938010312.

The spelling of 83992 in words is "eighty-three thousand, nine hundred ninety-two".