396590395 has 4 divisors (see below), whose sum is σ = 475908480. Its totient is φ = 317272312.

The previous prime is 396590387. The next prime is 396590423. The reversal of 396590395 is 593095693.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 396590395 - 2³ = 396590387 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39659035 + ... + 39659044.

It is an arithmetic number, because the mean of its divisors is an integer number (118977120).

Almost surely, 2^396590395 is an apocalyptic number.

396590395 is a deficient number, since it is larger than the sum of its proper divisors (79318085).

396590395 is an equidigital number, since it uses as much as digits as its factorization.

396590395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79318084.

The product of its (nonzero) digits is 984150, while the sum is 49.

The square root of 396590395 is about 19914.5774496975. The cubic root of 396590395 is about 734.7068076447.

The spelling of 396590395 in words is "three hundred ninety-six million, five hundred ninety thousand, three hundred ninety-five".