398375 has 8 divisors (see below), whose sum is σ = 497328. Its totient is φ = 318600.

The previous prime is 398369. The next prime is 398393. The reversal of 398375 is 573893.

It is not a de Polignac number, because 398375 - 2⁶ = 398311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1469 + ... + 1718.

It is an arithmetic number, because the mean of its divisors is an integer number (62166).

2³⁹⁸³⁷⁵ is an apocalyptic number.

398375 is a deficient number, since it is larger than the sum of its proper divisors (98953).

398375 is an equidigital number, since it uses as much as digits as its factorization.

398375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3202 (or 3192 counting only the distinct ones).

The product of its digits is 22680, while the sum is 35.

The square root of 398375 is about 631.1695493289. The cubic root of 398375 is about 73.5807187008.

The spelling of 398375 in words is "three hundred ninety-eight thousand, three hundred seventy-five".