398244 has 48 divisors (see below), whose sum is σ = 1161216. Its totient is φ = 103200.

The previous prime is 398227. The next prime is 398249. The reversal of 398244 is 442893.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (398249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 709 + ... + 1139.

It is an arithmetic number, because the mean of its divisors is an integer number (24192).

2³⁹⁸²⁴⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 398244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (580608).

398244 is an abundant number, since it is smaller than the sum of its proper divisors (762972).

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

398244 is a wasteful number, since it uses less digits than its factorization.

398244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456 (or 454 counting only the distinct ones).

The product of its digits is 6912, while the sum is 30.

The square root of 398244 is about 631.0657651941. The cubic root of 398244 is about 73.5726524894.

The spelling of 398244 in words is "three hundred ninety-eight thousand, two hundred forty-four".