398952 has 32 divisors (see below), whose sum is σ = 1108800. Its totient is φ = 132912.

The previous prime is 398941. The next prime is 398969. The reversal of 398952 is 259893.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

398952 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 708 + ... + 1139.

It is an arithmetic number, because the mean of its divisors is an integer number (34650).

2³⁹⁸⁹⁵² is an apocalyptic number.

It is an amenable number.

398952 is an abundant number, since it is smaller than the sum of its proper divisors (709848).

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

398952 is a wasteful number, since it uses less digits than its factorization.

398952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862 (or 1852 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 398952 is about 631.6264718962. The cubic root of 398952 is about 73.6162259437.

The spelling of 398952 in words is "three hundred ninety-eight thousand, nine hundred fifty-two".