398354 has 16 divisors (see below), whose sum is σ = 686880. Its totient is φ = 171360.

The previous prime is 398353. The next prime is 398357. The reversal of 398354 is 453893.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 398354.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 398354.

It is not an unprimeable number, because it can be changed into a prime (398353) 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, 59 + ... + 894.

It is an arithmetic number, because the mean of its divisors is an integer number (42930).

2³⁹⁸³⁵⁴ is an apocalyptic number.

398354 is a deficient number, since it is larger than the sum of its proper divisors (288526).

398354 is a wasteful number, since it uses less digits than its factorization.

398354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985.

The product of its digits is 12960, while the sum is 32.

The square root of 398354 is about 631.1529133261. The cubic root of 398354 is about 73.5794257631.

The spelling of 398354 in words is "three hundred ninety-eight thousand, three hundred fifty-four".