394959 has 8 divisors (see below), whose sum is σ = 530352. Its totient is φ = 261440.

The previous prime is 394943. The next prime is 394963. The reversal of 394959 is 959493.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 394959 - 2⁴ = 394943 is a prime.

It is a super-2 number, since 2×394959² = 311985223362, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 394959.

It is not an unprimeable number, because it can be changed into a prime (394969) 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, 139 + ... + 899.

It is an arithmetic number, because the mean of its divisors is an integer number (66294).

2³⁹⁴⁹⁵⁹ is an apocalyptic number.

394959 is a deficient number, since it is larger than the sum of its proper divisors (135393).

394959 is a wasteful number, since it uses less digits than its factorization.

394959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937.

The product of its digits is 43740, while the sum is 39.

The square root of 394959 is about 628.4576358037. The cubic root of 394959 is about 73.3698005036.

The spelling of 394959 in words is "three hundred ninety-four thousand, nine hundred fifty-nine".