398044 has 12 divisors (see below), whose sum is σ = 701568. Its totient is φ = 197600.

The previous prime is 398039. The next prime is 398053. The reversal of 398044 is 440893.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504 + ... + 1024.

It is an arithmetic number, because the mean of its divisors is an integer number (58464).

2³⁹⁸⁰⁴⁴ is an apocalyptic number.

It is an amenable number.

398044 is a deficient number, since it is larger than the sum of its proper divisors (303524).

398044 is a wasteful number, since it uses less digits than its factorization.

398044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 716 (or 714 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 398044 is about 630.9072832041. The cubic root of 398044 is about 73.5603342503.

Subtracting 398044 from its reverse (440893), we obtain a square (42849 = 207²).

The spelling of 398044 in words is "three hundred ninety-eight thousand, forty-four".