82449031 has 16 divisors (see below), whose sum is σ = 100305216. Its totient is φ = 66157056.

The previous prime is 82448983. The next prime is 82449041. The reversal of 82449031 is 13094428.

It is not a de Polignac number, because 82449031 - 2⁹ = 82448519 is a prime.

It is a super-2 number, since 2×82449031² = 13595685425677922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82448984 and 82449002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82449041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21685 + ... + 25201.

It is an arithmetic number, because the mean of its divisors is an integer number (6269076).

Almost surely, 2^82449031 is an apocalyptic number.

82449031 is a deficient number, since it is larger than the sum of its proper divisors (17856185).

82449031 is a wasteful number, since it uses less digits than its factorization.

82449031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3738.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 82449031 is about 9080.1448776988. The cubic root of 82449031 is about 435.2397163796.

The spelling of 82449031 in words is "eighty-two million, four hundred forty-nine thousand, thirty-one".