395768618 has 8 divisors (see below), whose sum is σ = 678460512. Its totient is φ = 169615116.

The previous prime is 395768557. The next prime is 395768629. The reversal of 395768618 is 816867593.

It is a happy number.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 395768618.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14134580 + ... + 14134607.

It is an arithmetic number, because the mean of its divisors is an integer number (84807564).

Almost surely, 2^395768618 is an apocalyptic number.

395768618 is a deficient number, since it is larger than the sum of its proper divisors (282691894).

395768618 is a wasteful number, since it uses less digits than its factorization.

395768618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28269196.

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

The square root of 395768618 is about 19893.9342011579. The cubic root of 395768618 is about 734.1989934815.

The spelling of 395768618 in words is "three hundred ninety-five million, seven hundred sixty-eight thousand, six hundred eighteen".