395955646 has 8 divisors (see below), whose sum is σ = 596550600. Its totient is φ = 197105448.

The previous prime is 395955641. The next prime is 395955671. The reversal of 395955646 is 646559593.

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

It is a junction number, because it is equal to n+sod(n) for n = 395955593 and 395955602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395955641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435621 + ... + 436528.

It is an arithmetic number, because the mean of its divisors is an integer number (74568825).

Almost surely, 2^395955646 is an apocalyptic number.

395955646 is a deficient number, since it is larger than the sum of its proper divisors (200594954).

395955646 is a wasteful number, since it uses less digits than its factorization.

395955646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872378.

The product of its digits is 4374000, while the sum is 52.

The square root of 395955646 is about 19898.6342747436. The cubic root of 395955646 is about 734.3146285087.

The spelling of 395955646 in words is "three hundred ninety-five million, nine hundred fifty-five thousand, six hundred forty-six".