395645808 has 40 divisors (see below), whose sum is σ = 1055059456. Its totient is φ = 127627200.

The previous prime is 395645749. The next prime is 395645813. The reversal of 395645808 is 808546593.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131458 + ... + 134433.

Almost surely, 2^395645808 is an apocalyptic number.

It is an amenable number.

395645808 is an abundant number, since it is smaller than the sum of its proper divisors (659413648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

395645808 is a wasteful number, since it uses less digits than its factorization.

395645808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265933 (or 265927 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 48.

The square root of 395645808 is about 19890.8473424337. The cubic root of 395645808 is about 734.1230431220.

The spelling of 395645808 in words is "three hundred ninety-five million, six hundred forty-five thousand, eight hundred eight".