398296615908 has 48 divisors (see below), whose sum is σ = 939688888320. Its totient is φ = 131293399584.

The previous prime is 398296615907. The next prime is 398296615921. The reversal of 398296615908 is 809516692893.

It is not an unprimeable number, because it can be changed into a prime (398296615907) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 664591 + ... + 1112777.

It is an arithmetic number, because the mean of its divisors is an integer number (19576851840).

Almost surely, 2^398296615908 is an apocalyptic number.

It is an amenable number.

398296615908 is an abundant number, since it is smaller than the sum of its proper divisors (541392272412).

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

398296615908 is a wasteful number, since it uses less digits than its factorization.

398296615908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449016 (or 449014 counting only the distinct ones).

The product of its (nonzero) digits is 50388480, while the sum is 66.

The spelling of 398296615908 in words is "three hundred ninety-eight billion, two hundred ninety-six million, six hundred fifteen thousand, nine hundred eight".