82397232 has 120 divisors (see below), whose sum is σ = 247390416. Its totient is φ = 25509888.

The previous prime is 82397221. The next prime is 82397233. The reversal of 82397232 is 23279328.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (82397233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 237283 + ... + 237629.

Almost surely, 2^82397232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82397232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123695208).

82397232 is an abundant number, since it is smaller than the sum of its proper divisors (164993184).

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

82397232 is a wasteful number, since it uses less digits than its factorization.

82397232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475 (or 466 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 82397232 is about 9077.2921072311. The cubic root of 82397232 is about 435.1485501371.

The spelling of 82397232 in words is "eighty-two million, three hundred ninety-seven thousand, two hundred thirty-two".