398882302090 has 16 divisors (see below), whose sum is σ = 718288223688. Its totient is φ = 159486236416.

The previous prime is 398882302069. The next prime is 398882302099. The reversal of 398882302090 is 90203288893.

It can be written as a sum of positive squares in 4 ways, for example, as 112386528081 + 286495774009 = 335241^2 + 535253^2 .

It is not an unprimeable number, because it can be changed into a prime (398882302099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8310427 + ... + 8358286.

Almost surely, 2^398882302090 is an apocalyptic number.

398882302090 is a deficient number, since it is larger than the sum of its proper divisors (319405921598).

398882302090 is a wasteful number, since it uses less digits than its factorization.

398882302090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16671113.

The product of its (nonzero) digits is 1492992, while the sum is 52.

The spelling of 398882302090 in words is "three hundred ninety-eight billion, eight hundred eighty-two million, three hundred two thousand, ninety".