398594 has 16 divisors (see below), whose sum is σ = 694656. Its totient is φ = 168000.

The previous prime is 398591. The next prime is 398609. The reversal of 398594 is 495893.

It is not an unprimeable number, because it can be changed into a prime (398591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 794 + ... + 1194.

It is an arithmetic number, because the mean of its divisors is an integer number (43416).

2³⁹⁸⁵⁹⁴ is an apocalyptic number.

398594 is a deficient number, since it is larger than the sum of its proper divisors (296062).

398594 is a wasteful number, since it uses less digits than its factorization.

398594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481.

The product of its digits is 38880, while the sum is 38.

The square root of 398594 is about 631.3430129494. The cubic root of 398594 is about 73.5941994877.

The spelling of 398594 in words is "three hundred ninety-eight thousand, five hundred ninety-four".