396889339 has 16 divisors (see below), whose sum is σ = 495290880. Its totient is φ = 308972160.

The previous prime is 396889333. The next prime is 396889369. The reversal of 396889339 is 933988693.

It is not a de Polignac number, because 396889339 - 2¹⁵ = 396856571 is a prime.

It is a super-2 number, since 2×396889339² = 315042294823713842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (396889333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117922 + ... + 121240.

It is an arithmetic number, because the mean of its divisors is an integer number (30955680).

Almost surely, 2^396889339 is an apocalyptic number.

396889339 is a deficient number, since it is larger than the sum of its proper divisors (98401541).

396889339 is a wasteful number, since it uses less digits than its factorization.

396889339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4890.

The product of its digits is 7558272, while the sum is 58.

The square root of 396889339 is about 19922.0816934376. The cubic root of 396889339 is about 734.8913650046.

The spelling of 396889339 in words is "three hundred ninety-six million, eight hundred eighty-nine thousand, three hundred thirty-nine".