395993144 has 16 divisors (see below), whose sum is σ = 768090600. Its totient is φ = 191168992.

The previous prime is 395993141. The next prime is 395993153. The reversal of 395993144 is 441399593.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395993141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 853202 + ... + 853665.

Almost surely, 2^395993144 is an apocalyptic number.

It is an amenable number.

395993144 is a deficient number, since it is larger than the sum of its proper divisors (372097456).

395993144 is a wasteful number, since it uses less digits than its factorization.

395993144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706902 (or 1706898 counting only the distinct ones).

The product of its digits is 524880, while the sum is 47.

The square root of 395993144 is about 19899.5764779053. The cubic root of 395993144 is about 734.3378082604.

The spelling of 395993144 in words is "three hundred ninety-five million, nine hundred ninety-three thousand, one hundred forty-four".