398917162 has 8 divisors (see below), whose sum is σ = 683858016. Its totient is φ = 170964492.

The previous prime is 398917147. The next prime is 398917163. The reversal of 398917162 is 261719893.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (398917163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14247028 + ... + 14247055.

It is an arithmetic number, because the mean of its divisors is an integer number (85482252).

Almost surely, 2^398917162 is an apocalyptic number.

398917162 is a deficient number, since it is larger than the sum of its proper divisors (284940854).

398917162 is a wasteful number, since it uses less digits than its factorization.

398917162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28494092.

The product of its digits is 163296, while the sum is 46.

The square root of 398917162 is about 19972.9107042514. The cubic root of 398917162 is about 736.1408306537.

The spelling of 398917162 in words is "three hundred ninety-eight million, nine hundred seventeen thousand, one hundred sixty-two".