390395 has 4 divisors (see below), whose sum is σ = 468480. Its totient is φ = 312312.

The previous prime is 390391. The next prime is 390407. The reversal of 390395 is 593093.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 593093 = 47 ⋅12619.

It is a cyclic number.

It is not a de Polignac number, because 390395 - 2² = 390391 is a prime.

It is a super-3 number, since 3×390395³ = 178498263332639625, which contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (390391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39035 + ... + 39044.

It is an arithmetic number, because the mean of its divisors is an integer number (117120).

2³⁹⁰³⁹⁵ is an apocalyptic number.

390395 is a deficient number, since it is larger than the sum of its proper divisors (78085).

390395 is an equidigital number, since it uses as much as digits as its factorization.

390395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78084.

The product of its (nonzero) digits is 3645, while the sum is 29.

The square root of 390395 is about 624.8159729072. The cubic root of 390395 is about 73.0860934582.

The spelling of 390395 in words is "three hundred ninety thousand, three hundred ninety-five".