399095 has 8 divisors (see below), whose sum is σ = 504240. Its totient is φ = 302400.

The previous prime is 399079. The next prime is 399097. The reversal of 399095 is 590993.

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

It is not a de Polignac number, because 399095 - 2⁴ = 399079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399097) 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, 2006 + ... + 2195.

It is an arithmetic number, because the mean of its divisors is an integer number (63030).

2³⁹⁹⁰⁹⁵ is an apocalyptic number.

399095 is a deficient number, since it is larger than the sum of its proper divisors (105145).

399095 is a wasteful number, since it uses less digits than its factorization.

399095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4225.

The product of its (nonzero) digits is 10935, while the sum is 35.

The square root of 399095 is about 631.7396615695. The cubic root of 399095 is about 73.6250205378.

The spelling of 399095 in words is "three hundred ninety-nine thousand, ninety-five".