398319 has 8 divisors (see below), whose sum is σ = 548352. Its totient is φ = 256920.

The previous prime is 398311. The next prime is 398323. The reversal of 398319 is 913893.

398319 = 98² + 99² + ... + 128².

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

It is not a de Polignac number, because 398319 - 2³ = 398311 is a prime.

It is a super-2 number, since 2×398319² = 317316051522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 398319.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398311) 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, 2049 + ... + 2234.

It is an arithmetic number, because the mean of its divisors is an integer number (68544).

2³⁹⁸³¹⁹ is an apocalyptic number.

398319 is a deficient number, since it is larger than the sum of its proper divisors (150033).

398319 is a wasteful number, since it uses less digits than its factorization.

398319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4317.

The product of its digits is 5832, while the sum is 33.

The square root of 398319 is about 631.1251856803. The cubic root of 398319 is about 73.5772707658.

It can be divided in two parts, 398 and 319, that added together give a palindrome (717).

The spelling of 398319 in words is "three hundred ninety-eight thousand, three hundred nineteen".