398882184228 has 72 divisors (see below), whose sum is σ = 1101923222400. Its totient is φ = 120656314560.

The previous prime is 398882184179. The next prime is 398882184229. The reversal of 398882184228 is 822481288893.

398882184228 is a `hidden beast` number, since 398 + 8 + 8 + 2 + 18 + 4 + 228 = 666.

It is not an unprimeable number, because it can be changed into a prime (398882184229) 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, 683628 + ... + 1124771.

It is an arithmetic number, because the mean of its divisors is an integer number (15304489200).

Almost surely, 2^398882184228 is an apocalyptic number.

It is an amenable number.

398882184228 is an abundant number, since it is smaller than the sum of its proper divisors (703041038172).

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

398882184228 is a wasteful number, since it uses less digits than its factorization.

398882184228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1808977 (or 1808972 counting only the distinct ones).

The product of its digits is 28311552, while the sum is 63.

The spelling of 398882184228 in words is "three hundred ninety-eight billion, eight hundred eighty-two million, one hundred eighty-four thousand, two hundred twenty-eight".