395288972 has 36 divisors (see below), whose sum is σ = 752121216. Its totient is φ = 181696320.

The previous prime is 395288953. The next prime is 395288987. The reversal of 395288972 is 279882593.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 186197 + ... + 188307.

It is an arithmetic number, because the mean of its divisors is an integer number (20892256).

Almost surely, 2^395288972 is an apocalyptic number.

It is an amenable number.

395288972 is a deficient number, since it is larger than the sum of its proper divisors (356832244).

395288972 is a wasteful number, since it uses less digits than its factorization.

395288972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2418 (or 2403 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 53.

The square root of 395288972 is about 19881.8754648549. The cubic root of 395288972 is about 733.9022729959.

The spelling of 395288972 in words is "three hundred ninety-five million, two hundred eighty-eight thousand, nine hundred seventy-two".