398084 has 12 divisors (see below), whose sum is σ = 727104. Its totient is φ = 190344.

The previous prime is 398077. The next prime is 398087. The reversal of 398084 is 480893.

It is a self number, because there is not a number n which added to its sum of digits gives 398084.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 398084.

It is not an unprimeable number, because it can be changed into a prime (398087) by changing a digit.

398084 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 3 ways as a sum of consecutive naturals, for example, 2072 + ... + 2255.

It is an arithmetic number, because the mean of its divisors is an integer number (60592).

2³⁹⁸⁰⁸⁴ is an apocalyptic number.

It is an amenable number.

398084 is a deficient number, since it is larger than the sum of its proper divisors (329020).

398084 is a wasteful number, since it uses less digits than its factorization.

398084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4354 (or 4352 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 398084 is about 630.9389827868. The cubic root of 398084 is about 73.5627982282.

The spelling of 398084 in words is "three hundred ninety-eight thousand, eighty-four".