82642648 has 16 divisors (see below), whose sum is σ = 169041960. Its totient is φ = 37564800.

The previous prime is 82642639. The next prime is 82642667. The reversal of 82642648 is 84624628.

It is a self number, because there is not a number n which added to its sum of digits gives 82642648.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 469473 + ... + 469648.

Almost surely, 2^82642648 is an apocalyptic number.

82642648 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

82642648 is an abundant number, since it is smaller than the sum of its proper divisors (86399312).

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

82642648 is a wasteful number, since it uses less digits than its factorization.

82642648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939138 (or 939134 counting only the distinct ones).

The product of its digits is 147456, while the sum is 40.

The square root of 82642648 is about 9090.8001848022. The cubic root of 82642648 is about 435.5801445965.

The spelling of 82642648 in words is "eighty-two million, six hundred forty-two thousand, six hundred forty-eight".