399359 has 8 divisors (see below), whose sum is σ = 423360. Its totient is φ = 376096.

The previous prime is 399353. The next prime is 399379. The reversal of 399359 is 953993.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-399359 is a prime.

It is a super-2 number, since 2×399359² = 318975221762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399353) 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, 1217 + ... + 1509.

It is an arithmetic number, because the mean of its divisors is an integer number (52920).

2³⁹⁹³⁵⁹ is an apocalyptic number.

399359 is a deficient number, since it is larger than the sum of its proper divisors (24001).

399359 is a wasteful number, since it uses less digits than its factorization.

399359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369.

The product of its digits is 32805, while the sum is 38.

The square root of 399359 is about 631.9485738571. The cubic root of 399359 is about 73.6412511940.

The spelling of 399359 in words is "three hundred ninety-nine thousand, three hundred fifty-nine".