398132 has 24 divisors (see below), whose sum is σ = 813120. Its totient is φ = 167040.

The previous prime is 398129. The next prime is 398143. The reversal of 398132 is 231893.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 398132.

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, 1532 + ... + 1772.

It is an arithmetic number, because the mean of its divisors is an integer number (33880).

2³⁹⁸¹³² is an apocalyptic number.

It is an amenable number.

398132 is an abundant number, since it is smaller than the sum of its proper divisors (414988).

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

398132 is a wasteful number, since it uses less digits than its factorization.

398132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311 (or 309 counting only the distinct ones).

The product of its digits is 1296, while the sum is 26.

The square root of 398132 is about 630.9770201838. The cubic root of 398132 is about 73.5657547838.

The spelling of 398132 in words is "three hundred ninety-eight thousand, one hundred thirty-two".