398823968610 has 96 divisors (see below), whose sum is σ = 1126728645120. Its totient is φ = 97505337600.

The previous prime is 398823968597. The next prime is 398823968617. The reversal of 398823968610 is 16869328893.

398823968610 is a `hidden beast` number, since 3 + 9 + 8 + 8 + 2 + 3 + 9 + 6 + 8 + 610 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (398823968617) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3708771 + ... + 3814790.

It is an arithmetic number, because the mean of its divisors is an integer number (11736756720).

Almost surely, 2^398823968610 is an apocalyptic number.

398823968610 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

398823968610 is an abundant number, since it is smaller than the sum of its proper divisors (727904676510).

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

398823968610 is a wasteful number, since it uses less digits than its factorization.

398823968610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7523624 (or 7523621 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 63.

The spelling of 398823968610 in words is "three hundred ninety-eight billion, eight hundred twenty-three million, nine hundred sixty-eight thousand, six hundred ten".