398581885316 has 24 divisors (see below), whose sum is σ = 734861275680. Its totient is φ = 188639563392.

The previous prime is 398581885307. The next prime is 398581885327. The reversal of 398581885316 is 613588185893.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2166341 + ... + 2343116.

It is an arithmetic number, because the mean of its divisors is an integer number (30619219820).

Almost surely, 2^398581885316 is an apocalyptic number.

It is an amenable number.

398581885316 is a deficient number, since it is larger than the sum of its proper divisors (336279390364).

398581885316 is a wasteful number, since it uses less digits than its factorization.

398581885316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4510643 (or 4510641 counting only the distinct ones).

The product of its digits is 49766400, while the sum is 65.

The spelling of 398581885316 in words is "three hundred ninety-eight billion, five hundred eighty-one million, eight hundred eighty-five thousand, three hundred sixteen".