398882185908 has 48 divisors (see below), whose sum is σ = 946193189760. Its totient is φ = 130751971200.

The previous prime is 398882185853. The next prime is 398882185963. The reversal of 398882185908 is 809581288893.

It is an interprime number because it is at equal distance from previous prime (398882185853) and next prime (398882185963).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3366798 + ... + 3483258.

It is an arithmetic number, because the mean of its divisors is an integer number (19712358120).

Almost surely, 2^398882185908 is an apocalyptic number.

It is an amenable number.

398882185908 is an abundant number, since it is smaller than the sum of its proper divisors (547311003852).

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

398882185908 is a wasteful number, since it uses less digits than its factorization.

398882185908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121208 (or 121206 counting only the distinct ones).

The product of its (nonzero) digits is 79626240, while the sum is 69.

The spelling of 398882185908 in words is "three hundred ninety-eight billion, eight hundred eighty-two million, one hundred eighty-five thousand, nine hundred eight".