82546840 has 16 divisors (see below), whose sum is σ = 185730480. Its totient is φ = 33018720.

The previous prime is 82546837. The next prime is 82546873. The reversal of 82546840 is 4864528.

It is a self number, because there is not a number n which added to its sum of digits gives 82546840.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1031796 + ... + 1031875.

It is an arithmetic number, because the mean of its divisors is an integer number (11608155).

Almost surely, 2^82546840 is an apocalyptic number.

It is an amenable number.

82546840 is an abundant number, since it is smaller than the sum of its proper divisors (103183640).

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

82546840 is a wasteful number, since it uses less digits than its factorization.

82546840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2063682 (or 2063678 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 37.

The square root of 82546840 is about 9085.5291535496. The cubic root of 82546840 is about 435.4117561570.

The spelling of 82546840 in words is "eighty-two million, five hundred forty-six thousand, eight hundred forty".