82508406 has 32 divisors (see below), whose sum is σ = 175868928. Its totient is φ = 25745280.

The previous prime is 82508369. The next prime is 82508407. The reversal of 82508406 is 60480528.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82508407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126 + ... + 12846.

It is an arithmetic number, because the mean of its divisors is an integer number (5495904).

Almost surely, 2^82508406 is an apocalyptic number.

82508406 is an abundant number, since it is smaller than the sum of its proper divisors (93360522).

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

82508406 is a wasteful number, since it uses less digits than its factorization.

82508406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12796.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 82508406 is about 9083.4137855764. The cubic root of 82508406 is about 435.3441694255.

The spelling of 82508406 in words is "eighty-two million, five hundred eight thousand, four hundred six".