398899503396 has 72 divisors (see below), whose sum is σ = 1040966221568. Its totient is φ = 128663640000.

The previous prime is 398899503367. The next prime is 398899503397. The reversal of 398899503396 is 693305998893.

398899503396 is a `hidden beast` number, since 3 + 9 + 8 + 89 + 9 + 503 + 39 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (398899503397) 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, 20414151 + ... + 20433681.

Almost surely, 2^398899503396 is an apocalyptic number.

398899503396 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

398899503396 is an abundant number, since it is smaller than the sum of its proper divisors (642066718172).

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

398899503396 is a wasteful number, since it uses less digits than its factorization.

398899503396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37873 (or 37868 counting only the distinct ones).

The product of its (nonzero) digits is 340122240, while the sum is 72.

The spelling of 398899503396 in words is "three hundred ninety-eight billion, eight hundred ninety-nine million, five hundred three thousand, three hundred ninety-six".