398830850961 has 24 divisors (see below), whose sum is σ = 561297490560. Its totient is φ = 251865418464.

The previous prime is 398830850933. The next prime is 398830850969. The reversal of 398830850961 is 169058038893.

It is not a de Polignac number, because 398830850961 - 2⁹ = 398830850449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 398830850895 and 398830850904.

It is not an unprimeable number, because it can be changed into a prime (398830850969) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14833416 + ... + 14860278.

It is an arithmetic number, because the mean of its divisors is an integer number (23387395440).

Almost surely, 2^398830850961 is an apocalyptic number.

It is an amenable number.

398830850961 is a deficient number, since it is larger than the sum of its proper divisors (162466639599).

398830850961 is a wasteful number, since it uses less digits than its factorization.

398830850961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40613 (or 40594 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 60.

The spelling of 398830850961 in words is "three hundred ninety-eight billion, eight hundred thirty million, eight hundred fifty thousand, nine hundred sixty-one".