64288844 has 6 divisors (see below), whose sum is σ = 112505484. Its totient is φ = 32144420.

The previous prime is 64288843. The next prime is 64288859. The reversal of 64288844 is 44888246.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 64288795 and 64288804.

It is not an unprimeable number, because it can be changed into a prime (64288843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8036102 + ... + 8036109.

It is an arithmetic number, because the mean of its divisors is an integer number (18750914).

Almost surely, 2^64288844 is an apocalyptic number.

It is an amenable number.

64288844 is a deficient number, since it is larger than the sum of its proper divisors (48216640).

64288844 is a wasteful number, since it uses less digits than its factorization.

64288844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16072215 (or 16072213 counting only the distinct ones).

The product of its digits is 393216, while the sum is 44.

The square root of 64288844 is about 8018.0324269736. The cubic root of 64288844 is about 400.6008553136.

The spelling of 64288844 in words is "sixty-four million, two hundred eighty-eight thousand, eight hundred forty-four".