395072218 has 8 divisors (see below), whose sum is σ = 606390048. Its totient is φ = 192942204.

The previous prime is 395072213. The next prime is 395072233. The reversal of 395072218 is 812270593.

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

It is not an unprimeable number, because it can be changed into a prime (395072213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2296846 + ... + 2297017.

It is an arithmetic number, because the mean of its divisors is an integer number (75798756).

Almost surely, 2^395072218 is an apocalyptic number.

395072218 is a deficient number, since it is larger than the sum of its proper divisors (211317830).

395072218 is a wasteful number, since it uses less digits than its factorization.

395072218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4593908.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 395072218 is about 19876.4236722807. The cubic root of 395072218 is about 733.7681050416.

The spelling of 395072218 in words is "three hundred ninety-five million, seventy-two thousand, two hundred eighteen".