398419 has 12 divisors (see below), whose sum is σ = 476064. Its totient is φ = 332304.

The previous prime is 398417. The next prime is 398423. The reversal of 398419 is 914893.

398419 = T₁₀₆ + T₁₀₇ + ... + T₁₅₂.

It is not a de Polignac number, because 398419 - 2¹ = 398417 is a prime.

It is a super-2 number, since 2×398419² = 317475399122, which contains 22 as substring.

It is a Duffinian number.

398419 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (398417) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2217 + ... + 2389.

It is an arithmetic number, because the mean of its divisors is an integer number (39672).

2³⁹⁸⁴¹⁹ is an apocalyptic number.

398419 is a deficient number, since it is larger than the sum of its proper divisors (77645).

398419 is a wasteful number, since it uses less digits than its factorization.

398419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234 (or 227 counting only the distinct ones).

The product of its digits is 7776, while the sum is 34.

The square root of 398419 is about 631.2044042939. The cubic root of 398419 is about 73.5834275659.

The spelling of 398419 in words is "three hundred ninety-eight thousand, four hundred nineteen".