64288316 has 12 divisors (see below), whose sum is σ = 112698432. Its totient is φ = 32088768.

The previous prime is 64288313. The next prime is 64288321. The reversal of 64288316 is 61388246.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 64288316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64288313) 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, 11180 + ... + 15923.

It is an arithmetic number, because the mean of its divisors is an integer number (9391536).

Almost surely, 2^64288316 is an apocalyptic number.

It is an amenable number.

64288316 is a deficient number, since it is larger than the sum of its proper divisors (48410116).

64288316 is a wasteful number, since it uses less digits than its factorization.

64288316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27700 (or 27698 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 64288316 is about 8017.9995011225. Note that the first 3 decimals coincide. The cubic root of 64288316 is about 400.5997586079.

The spelling of 64288316 in words is "sixty-four million, two hundred eighty-eight thousand, three hundred sixteen".