398204 has 6 divisors (see below), whose sum is σ = 696864. Its totient is φ = 199100.

The previous prime is 398171. The next prime is 398207. The reversal of 398204 is 402893.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49772 + ... + 49779.

It is an arithmetic number, because the mean of its divisors is an integer number (116144).

2³⁹⁸²⁰⁴ is an apocalyptic number.

It is an amenable number.

398204 is a deficient number, since it is larger than the sum of its proper divisors (298660).

398204 is a wasteful number, since it uses less digits than its factorization.

398204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99555 (or 99553 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 398204 is about 631.0340719803. The cubic root of 398204 is about 73.5701891716.

The spelling of 398204 in words is "three hundred ninety-eight thousand, two hundred four".