398976162 has 64 divisors (see below), whose sum is σ = 915183360. Its totient is φ = 114868224.

The previous prime is 398976161. The next prime is 398976187. The reversal of 398976162 is 261679893.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (398976161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 255139 + ... + 256697.

It is an arithmetic number, because the mean of its divisors is an integer number (14299740).

Almost surely, 2^398976162 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 398976162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (457591680).

398976162 is an abundant number, since it is smaller than the sum of its proper divisors (516207198).

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

398976162 is a wasteful number, since it uses less digits than its factorization.

398976162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1787.

The product of its digits is 979776, while the sum is 51.

The square root of 398976162 is about 19974.3876501884. The cubic root of 398976162 is about 736.1771207009.

The spelling of 398976162 in words is "three hundred ninety-eight million, nine hundred seventy-six thousand, one hundred sixty-two".