318065644 has 12 divisors (see below), whose sum is σ = 599431504. Its totient is φ = 146799504.

The previous prime is 318065593. The next prime is 318065647. The reversal of 318065644 is 446560813.

It is a happy number.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (318065647) by changing a digit.

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, 3058272 + ... + 3058375.

Almost surely, 2^318065644 is an apocalyptic number.

It is an amenable number.

318065644 is a deficient number, since it is larger than the sum of its proper divisors (281365860).

318065644 is a wasteful number, since it uses less digits than its factorization.

318065644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6116664 (or 6116662 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 318065644 is about 17834.3949715150. The cubic root of 318065644 is about 682.6093830150.

The spelling of 318065644 in words is "three hundred eighteen million, sixty-five thousand, six hundred forty-four".