398516 has 12 divisors (see below), whose sum is σ = 708288. Its totient is φ = 196152.

The previous prime is 398509. The next prime is 398539. The reversal of 398516 is 615893.

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, 476 + ... + 1011.

It is an arithmetic number, because the mean of its divisors is an integer number (59024).

2³⁹⁸⁵¹⁶ is an apocalyptic number.

It is an amenable number.

398516 is a deficient number, since it is larger than the sum of its proper divisors (309772).

398516 is a wasteful number, since it uses less digits than its factorization.

398516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558 (or 1556 counting only the distinct ones).

The product of its digits is 6480, while the sum is 32.

The square root of 398516 is about 631.2812368509. The cubic root of 398516 is about 73.5893986779.

The spelling of 398516 in words is "three hundred ninety-eight thousand, five hundred sixteen".