82902440 has 32 divisors (see below), whose sum is σ = 189164160. Its totient is φ = 32692800.

The previous prime is 82902439. The next prime is 82902461. The reversal of 82902440 is 4420928.

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, 11756 + ... + 17435.

It is an arithmetic number, because the mean of its divisors is an integer number (5911380).

Almost surely, 2^82902440 is an apocalyptic number.

It is an amenable number.

82902440 is an abundant number, since it is smaller than the sum of its proper divisors (106261720).

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

82902440 is a wasteful number, since it uses less digits than its factorization.

82902440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29273 (or 29269 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 82902440 is about 9105.0777042264. The cubic root of 82902440 is about 436.0360910561.

The spelling of 82902440 in words is "eighty-two million, nine hundred two thousand, four hundred forty".