82496840 has 32 divisors (see below), whose sum is σ = 185907960. Its totient is φ = 32947200.

The previous prime is 82496819. The next prime is 82496861. The reversal of 82496840 is 4869428.

It is an interprime number because it is at equal distance from previous prime (82496819) and next prime (82496861).

It can be written as a sum of positive squares in 4 ways, for example, as 59013124 + 23483716 = 7682^2 + 4846^2 .

It is a super-3 number, since 3×82496840³ (a number of 25 digits) contains 333 as substring.

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 7 ways as a sum of consecutive naturals, for example, 34070 + ... + 36410.

Almost surely, 2^82496840 is an apocalyptic number.

It is an amenable number.

82496840 is an abundant number, since it is smaller than the sum of its proper divisors (103411120).

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

82496840 is a wasteful number, since it uses less digits than its factorization.

82496840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3233 (or 3229 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 82496840 is about 9082.7771083518. Note that the first 3 decimals coincide. The cubic root of 82496840 is about 435.3238263428.

The spelling of 82496840 in words is "eighty-two million, four hundred ninety-six thousand, eight hundred forty".