398254 has 8 divisors (see below), whose sum is σ = 603288. Its totient is φ = 197160.

The previous prime is 398249. The next prime is 398261. The reversal of 398254 is 452893.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 717 + ... + 1144.

It is an arithmetic number, because the mean of its divisors is an integer number (75411).

2³⁹⁸²⁵⁴ is an apocalyptic number.

398254 is a deficient number, since it is larger than the sum of its proper divisors (205034).

398254 is a wasteful number, since it uses less digits than its factorization.

398254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970.

The product of its digits is 8640, while the sum is 31.

The square root of 398254 is about 631.0736882488. The cubic root of 398254 is about 73.5732682931.

The spelling of 398254 in words is "three hundred ninety-eight thousand, two hundred fifty-four".