390995 has 8 divisors (see below), whose sum is σ = 511920. Its totient is φ = 284320.

The previous prime is 390991. The next prime is 391009. The reversal of 390995 is 599093.

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

It is not a de Polignac number, because 390995 - 2² = 390991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (390991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3500 + ... + 3609.

It is an arithmetic number, because the mean of its divisors is an integer number (63990).

2³⁹⁰⁹⁹⁵ is an apocalyptic number.

390995 is a deficient number, since it is larger than the sum of its proper divisors (120925).

390995 is a wasteful number, since it uses less digits than its factorization.

390995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7125.

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

The square root of 390995 is about 625.2959299404. The cubic root of 390995 is about 73.1235164186.

It can be divided in two parts, 3909 and 95, that added together give a palindrome (4004).

The spelling of 390995 in words is "three hundred ninety thousand, nine hundred ninety-five".