395645878 has 8 divisors (see below), whose sum is σ = 603198000. Its totient is φ = 194579880.

The previous prime is 395645863. The next prime is 395645933. The reversal of 395645878 is 878546593.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1621378 + ... + 1621621.

It is an arithmetic number, because the mean of its divisors is an integer number (75399750).

Almost surely, 2^395645878 is an apocalyptic number.

395645878 is a deficient number, since it is larger than the sum of its proper divisors (207552122).

395645878 is a wasteful number, since it uses less digits than its factorization.

395645878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3243062.

The product of its digits is 7257600, while the sum is 55.

The square root of 395645878 is about 19890.8491020368. The cubic root of 395645878 is about 734.1230864171.

The spelling of 395645878 in words is "three hundred ninety-five million, six hundred forty-five thousand, eight hundred seventy-eight".