398713 has 12 divisors (see below), whose sum is σ = 474240. Its totient is φ = 334152.

The previous prime is 398711. The next prime is 398729. The reversal of 398713 is 317893.

It is not a de Polignac number, because 398713 - 2¹ = 398711 is a prime.

It is a Duffinian number.

Its product of digits (4536) is a multiple of the sum of its prime divisors (189).

It is not an unprimeable number, because it can be changed into a prime (398711) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3820 + ... + 3922.

It is an arithmetic number, because the mean of its divisors is an integer number (39520).

2³⁹⁸⁷¹³ is an apocalyptic number.

It is an amenable number.

398713 is a deficient number, since it is larger than the sum of its proper divisors (75527).

398713 is a wasteful number, since it uses less digits than its factorization.

398713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196 (or 189 counting only the distinct ones).

The product of its digits is 4536, while the sum is 31.

The square root of 398713 is about 631.4372494556. The cubic root of 398713 is about 73.6015225937.

It can be divided in two parts, 398 and 713, that added together give a palindrome (1111).

The spelling of 398713 in words is "three hundred ninety-eight thousand, seven hundred thirteen".