3899081982 has 8 divisors (see below), whose sum is σ = 7798163976. Its totient is φ = 1299693992.

The previous prime is 3899081959. The next prime is 3899081993. The reversal of 3899081982 is 2891809983.

It is a sphenic number, since it is the product of 3 distinct primes.

3899081982 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324923493 + ... + 324923504.

It is an arithmetic number, because the mean of its divisors is an integer number (974770497).

Almost surely, 2^3899081982 is an apocalyptic number.

3899081982 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3899081982 is a wasteful number, since it uses less digits than its factorization.

3899081982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649847002.

The product of its (nonzero) digits is 2239488, while the sum is 57.

The square root of 3899081982 is about 62442.6295250288. The cubic root of 3899081982 is about 1573.9374012768.

The spelling of 3899081982 in words is "three billion, eight hundred ninety-nine million, eighty-one thousand, nine hundred eighty-two".