82001392 has 20 divisors (see below), whose sum is σ = 173321496. Its totient is φ = 37273280.

The previous prime is 82001383. The next prime is 82001393. The reversal of 82001392 is 29310028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82001393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232783 + ... + 233134.

Almost surely, 2^82001392 is an apocalyptic number.

It is an amenable number.

82001392 is an abundant number, since it is smaller than the sum of its proper divisors (91320104).

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

82001392 is a wasteful number, since it uses less digits than its factorization.

82001392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465936 (or 465930 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 82001392 is about 9055.4619981534. The cubic root of 82001392 is about 434.4506069037.

The spelling of 82001392 in words is "eighty-two million, one thousand, three hundred ninety-two".