395217434 has 16 divisors (see below), whose sum is σ = 600825600. Its totient is φ = 194960400.

The previous prime is 395217421. The next prime is 395217443. The reversal of 395217434 is 434712593.

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, 40607 + ... + 49389.

It is an arithmetic number, because the mean of its divisors is an integer number (37551600).

Almost surely, 2^395217434 is an apocalyptic number.

395217434 is a deficient number, since it is larger than the sum of its proper divisors (205608166).

395217434 is a wasteful number, since it uses less digits than its factorization.

395217434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9085.

The product of its digits is 90720, while the sum is 38.

The square root of 395217434 is about 19880.0763077006. The cubic root of 395217434 is about 733.8579973124.

The spelling of 395217434 in words is "three hundred ninety-five million, two hundred seventeen thousand, four hundred thirty-four".