398104 has 16 divisors (see below), whose sum is σ = 853200. Its totient is φ = 170592.

The previous prime is 398087. The next prime is 398113. The reversal of 398104 is 401893.

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 398104.

It is an unprimeable number.

398104 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3499 + ... + 3610.

It is an arithmetic number, because the mean of its divisors is an integer number (53325).

2³⁹⁸¹⁰⁴ is an apocalyptic number.

It is an amenable number.

398104 is an abundant number, since it is smaller than the sum of its proper divisors (455096).

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

398104 is a wasteful number, since it uses less digits than its factorization.

398104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7122 (or 7118 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 398104 is about 630.9548319809. The cubic root of 398104 is about 73.5640301552.

Adding to 398104 its reverse (401893), we get a palindrome (799997).

The spelling of 398104 in words is "three hundred ninety-eight thousand, one hundred four".