82491244 has 24 divisors (see below), whose sum is σ = 158408208. Its totient is φ = 37275840.

The previous prime is 82491239. The next prime is 82491257. The reversal of 82491244 is 44219428.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2194 + ... + 13030.

It is an arithmetic number, because the mean of its divisors is an integer number (6600342).

Almost surely, 2^82491244 is an apocalyptic number.

It is an amenable number.

82491244 is a deficient number, since it is larger than the sum of its proper divisors (75916964).

82491244 is a wasteful number, since it uses less digits than its factorization.

82491244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11025 (or 11023 counting only the distinct ones).

The product of its digits is 18432, while the sum is 34.

The square root of 82491244 is about 9082.4690475663. The cubic root of 82491244 is about 435.3139830276.

The spelling of 82491244 in words is "eighty-two million, four hundred ninety-one thousand, two hundred forty-four".