82392920 has 16 divisors (see below), whose sum is σ = 185384160. Its totient is φ = 32957152.

The previous prime is 82392917. The next prime is 82392929. The reversal of 82392920 is 2929328.

It is a super-2 number, since 2×82392920² = 13577186532252800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82392929) 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, 1029872 + ... + 1029951.

It is an arithmetic number, because the mean of its divisors is an integer number (11586510).

Almost surely, 2^82392920 is an apocalyptic number.

It is an amenable number.

82392920 is an abundant number, since it is smaller than the sum of its proper divisors (102991240).

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

82392920 is a wasteful number, since it uses less digits than its factorization.

82392920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2059834 (or 2059830 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 82392920 is about 9077.0545883563. The cubic root of 82392920 is about 435.1409592944.

The spelling of 82392920 in words is "eighty-two million, three hundred ninety-two thousand, nine hundred twenty".