398232 has 24 divisors (see below), whose sum is σ = 1078740. Its totient is φ = 132720.

The previous prime is 398227. The next prime is 398249. The reversal of 398232 is 232893.

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 398196 and 398205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2694 + ... + 2837.

2³⁹⁸²³² is an apocalyptic number.

It is an amenable number.

398232 is an abundant number, since it is smaller than the sum of its proper divisors (680508).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

398232 is a wasteful number, since it uses less digits than its factorization.

398232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5543 (or 5536 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 398232 is about 631.0562573971. The cubic root of 398232 is about 73.5719135114.

It can be divided in two parts, 398 and 232, that added together give a triangular number (630 = T₃₅).

The spelling of 398232 in words is "three hundred ninety-eight thousand, two hundred thirty-two".