395668711 has 4 divisors (see below), whose sum is σ = 416493400. Its totient is φ = 374844024.

The previous prime is 395668703. The next prime is 395668733. The reversal of 395668711 is 117866593.

It is a happy number.

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 395668711 - 2³ = 395668703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395668751) 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, 10412316 + ... + 10412353.

It is an arithmetic number, because the mean of its divisors is an integer number (104123350).

Almost surely, 2^395668711 is an apocalyptic number.

395668711 is a deficient number, since it is larger than the sum of its proper divisors (20824689).

395668711 is a wasteful number, since it uses less digits than its factorization.

395668711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20824688.

The product of its digits is 272160, while the sum is 46.

The square root of 395668711 is about 19891.4230511545. The cubic root of 395668711 is about 734.1372083975.

The spelling of 395668711 in words is "three hundred ninety-five million, six hundred sixty-eight thousand, seven hundred eleven".