395667 has 6 divisors (see below), whose sum is σ = 571532. Its totient is φ = 263772.

The previous prime is 395657. The next prime is 395671. The reversal of 395667 is 766593.

It is a happy number.

It is not a de Polignac number, because 395667 - 2¹⁰ = 394643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (395627) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21973 + ... + 21990.

2³⁹⁵⁶⁶⁷ is an apocalyptic number.

395667 is a deficient number, since it is larger than the sum of its proper divisors (175865).

395667 is a wasteful number, since it uses less digits than its factorization.

395667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43969 (or 43966 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 395667 is about 629.0206673870. The cubic root of 395667 is about 73.4136150180.

The spelling of 395667 in words is "three hundred ninety-five thousand, six hundred sixty-seven".