82638374 has 64 divisors (see below), whose sum is σ = 160161792. Its totient is φ = 31104000.

The previous prime is 82638323. The next prime is 82638383. The reversal of 82638374 is 47383628.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 547199 + ... + 547349.

It is an arithmetic number, because the mean of its divisors is an integer number (2502528).

Almost surely, 2^82638374 is an apocalyptic number.

82638374 is a deficient number, since it is larger than the sum of its proper divisors (77523418).

82638374 is a wasteful number, since it uses less digits than its factorization.

82638374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301.

The product of its digits is 193536, while the sum is 41.

The square root of 82638374 is about 9090.5651089467. The cubic root of 82638374 is about 435.5726355534.

The spelling of 82638374 in words is "eighty-two million, six hundred thirty-eight thousand, three hundred seventy-four".