395877740 has 24 divisors (see below), whose sum is σ = 835658880. Its totient is φ = 157529088.

The previous prime is 395877733. The next prime is 395877751. The reversal of 395877740 is 47778593.

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, 47420 + ... + 55139.

It is an arithmetic number, because the mean of its divisors is an integer number (34819120).

Almost surely, 2^395877740 is an apocalyptic number.

It is an amenable number.

395877740 is an abundant number, since it is smaller than the sum of its proper divisors (439781140).

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

395877740 is a wasteful number, since it uses less digits than its factorization.

395877740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102761 (or 102759 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 50.

The square root of 395877740 is about 19896.6766069110. The cubic root of 395877740 is about 734.2664654813.

The spelling of 395877740 in words is "three hundred ninety-five million, eight hundred seventy-seven thousand, seven hundred forty".