82039452 has 36 divisors (see below), whose sum is σ = 210413448. Its totient is φ = 24860000.

The previous prime is 82039439. The next prime is 82039453. The reversal of 82039452 is 25493028.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82039453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26799 + ... + 29702.

It is an arithmetic number, because the mean of its divisors is an integer number (5844818).

Almost surely, 2^82039452 is an apocalyptic number.

It is an amenable number.

82039452 is an abundant number, since it is smaller than the sum of its proper divisors (128373996).

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

82039452 is a wasteful number, since it uses less digits than its factorization.

82039452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56530 (or 56517 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 82039452 is about 9057.5632484681. The cubic root of 82039452 is about 434.5178115862.

The spelling of 82039452 in words is "eighty-two million, thirty-nine thousand, four hundred fifty-two".