395079660 has 96 divisors (see below), whose sum is σ = 1301469120. Its totient is φ = 99154944.

The previous prime is 395079647. The next prime is 395079661. The reversal of 395079660 is 66970593.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (395079661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12339 + ... + 30698.

It is an arithmetic number, because the mean of its divisors is an integer number (13556970).

Almost surely, 2^395079660 is an apocalyptic number.

395079660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

395079660 is an abundant number, since it is smaller than the sum of its proper divisors (906389460).

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

395079660 is a wasteful number, since it uses less digits than its factorization.

395079660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43072 (or 43064 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 45.

The square root of 395079660 is about 19876.6108781150. The cubic root of 395079660 is about 733.7727123578.

The spelling of 395079660 in words is "three hundred ninety-five million, seventy-nine thousand, six hundred sixty".