398130859308 has 96 divisors (see below), whose sum is σ = 1143898398720. Its totient is φ = 104951197440.

The previous prime is 398130859297. The next prime is 398130859361. The reversal of 398130859308 is 803958031893.

It is a super-2 number, since 2×398130859308² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2218858 + ... + 2391566.

It is an arithmetic number, because the mean of its divisors is an integer number (11915608320).

Almost surely, 2^398130859308 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 398130859308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (571949199360).

398130859308 is an abundant number, since it is smaller than the sum of its proper divisors (745767539412).

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

398130859308 is a wasteful number, since it uses less digits than its factorization.

398130859308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174847 (or 174845 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 57.

The spelling of 398130859308 in words is "three hundred ninety-eight billion, one hundred thirty million, eight hundred fifty-nine thousand, three hundred eight".