398888408484 has 36 divisors (see below), whose sum is σ = 1008380549904. Its totient is φ = 132952346352.

The previous prime is 398888408467. The next prime is 398888408491. The reversal of 398888408484 is 484804888893.

398888408484 is a `hidden beast` number, since 398 + 8 + 8 + 84 + 0 + 84 + 84 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×398888408484² (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 11 ways as a sum of consecutive naturals, for example, 35419 + ... + 893885.

Almost surely, 2^398888408484 is an apocalyptic number.

It is an amenable number.

398888408484 is an abundant number, since it is smaller than the sum of its proper divisors (609492141420).

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

398888408484 is a wasteful number, since it uses less digits than its factorization.

398888408484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871384 (or 871379 counting only the distinct ones).

The product of its (nonzero) digits is 452984832, while the sum is 72.

The spelling of 398888408484 in words is "three hundred ninety-eight billion, eight hundred eighty-eight million, four hundred eight thousand, four hundred eighty-four".