82056438 has 24 divisors (see below), whose sum is σ = 178261200. Its totient is φ = 27279504.

The previous prime is 82056437. The next prime is 82056449. The reversal of 82056438 is 83465028.

82056438 is a `hidden beast` number, since 8 + 2 + 0 + 5 + 643 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82056437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1143 + ... + 12861.

It is an arithmetic number, because the mean of its divisors is an integer number (7427550).

Almost surely, 2^82056438 is an apocalyptic number.

82056438 is an abundant number, since it is smaller than the sum of its proper divisors (96204762).

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

82056438 is a wasteful number, since it uses less digits than its factorization.

82056438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12116 (or 12113 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 82056438 is about 9058.5008693492. The cubic root of 82056438 is about 434.5477980137.

The spelling of 82056438 in words is "eighty-two million, fifty-six thousand, four hundred thirty-eight".