398932 has 6 divisors (see below), whose sum is σ = 698138. Its totient is φ = 199464.

The previous prime is 398921. The next prime is 398933. The reversal of 398932 is 239893.

It can be written as a sum of positive squares in only one way, i.e., 391876 + 7056 = 626^2 + 84^2 .

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49863 + ... + 49870.

2³⁹⁸⁹³² is an apocalyptic number.

It is an amenable number.

398932 is a deficient number, since it is larger than the sum of its proper divisors (299206).

398932 is a wasteful number, since it uses less digits than its factorization.

398932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99737 (or 99735 counting only the distinct ones).

The product of its digits is 11664, while the sum is 34.

The square root of 398932 is about 631.6106395557. The cubic root of 398932 is about 73.6149957630.

The spelling of 398932 in words is "three hundred ninety-eight thousand, nine hundred thirty-two".