82038331 has 4 divisors (see below), whose sum is σ = 82960200. Its totient is φ = 81116464.

The previous prime is 82038323. The next prime is 82038343. The reversal of 82038331 is 13383028.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82038331 - 2³ = 82038323 is a prime.

It is a super-2 number, since 2×82038331² = 13460575506531122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82038331.

It is not an unprimeable number, because it can be changed into a prime (82038301) 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, 460801 + ... + 460978.

It is an arithmetic number, because the mean of its divisors is an integer number (20740050).

Almost surely, 2^82038331 is an apocalyptic number.

82038331 is a deficient number, since it is larger than the sum of its proper divisors (921869).

82038331 is an equidigital number, since it uses as much as digits as its factorization.

82038331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921868.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 82038331 is about 9057.5013662709. The cubic root of 82038331 is about 434.5158324706.

It can be divided in two parts, 82038 and 331, that added together give a square (82369 = 287²).

The spelling of 82038331 in words is "eighty-two million, thirty-eight thousand, three hundred thirty-one".