398842899190 has 16 divisors (see below), whose sum is σ = 735427395360. Its totient is φ = 155646009280.

The previous prime is 398842899181. The next prime is 398842899199. The reversal of 398842899190 is 91998248893.

It is an interprime number because it is at equal distance from previous prime (398842899181) and next prime (398842899199).

It is a super-2 number, since 2×398842899190² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398842899199) 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, 486393370 + ... + 486394189.

It is an arithmetic number, because the mean of its divisors is an integer number (45964212210).

Almost surely, 2^398842899190 is an apocalyptic number.

398842899190 is a deficient number, since it is larger than the sum of its proper divisors (336584496170).

398842899190 is a wasteful number, since it uses less digits than its factorization.

398842899190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972787607.

The product of its (nonzero) digits is 80621568, while the sum is 70.

The spelling of 398842899190 in words is "three hundred ninety-eight billion, eight hundred forty-two million, eight hundred ninety-nine thousand, one hundred ninety".