392198898 has 64 divisors (see below), whose sum is σ = 1007419392. Its totient is φ = 98936640.

The previous prime is 392198869. The next prime is 392198909. The reversal of 392198898 is 898891293.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3058 + ... + 28173.

It is an arithmetic number, because the mean of its divisors is an integer number (15740928).

Almost surely, 2^392198898 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 392198898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (503709696).

392198898 is an abundant number, since it is smaller than the sum of its proper divisors (615220494).

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

392198898 is a wasteful number, since it uses less digits than its factorization.

392198898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31279.

The product of its digits is 2239488, while the sum is 57.

The square root of 392198898 is about 19804.0121692550. The cubic root of 392198898 is about 731.9849014474.

The spelling of 392198898 in words is "three hundred ninety-two million, one hundred ninety-eight thousand, eight hundred ninety-eight".