82415684 has 24 divisors (see below), whose sum is σ = 157960320. Its totient is φ = 37391904.

The previous prime is 82415659. The next prime is 82415747. The reversal of 82415684 is 48651428.

It is a happy number.

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, 10364 + ... + 16499.

It is an arithmetic number, because the mean of its divisors is an integer number (6581680).

Almost surely, 2^82415684 is an apocalyptic number.

It is an amenable number.

82415684 is a deficient number, since it is larger than the sum of its proper divisors (75544636).

82415684 is a wasteful number, since it uses less digits than its factorization.

82415684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26939 (or 26937 counting only the distinct ones).

The product of its digits is 61440, while the sum is 38.

The square root of 82415684 is about 9078.3084327423. The cubic root of 82415684 is about 435.1810300379.

The spelling of 82415684 in words is "eighty-two million, four hundred fifteen thousand, six hundred eighty-four".