43285664 has 24 divisors (see below), whose sum is σ = 85897728. Its totient is φ = 21470400.

The previous prime is 43285663. The next prime is 43285687. The reversal of 43285664 is 46658234.

It is not an unprimeable number, because it can be changed into a prime (43285663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1262 + ... + 9389.

It is an arithmetic number, because the mean of its divisors is an integer number (3579072).

Almost surely, 2^43285664 is an apocalyptic number.

It is an amenable number.

43285664 is a deficient number, since it is larger than the sum of its proper divisors (42612064).

43285664 is a wasteful number, since it uses less digits than its factorization.

43285664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10788 (or 10780 counting only the distinct ones).

The product of its digits is 138240, while the sum is 38.

The square root of 43285664 is about 6579.1841439498. The cubic root of 43285664 is about 351.1139042073.

The spelling of 43285664 in words is "forty-three million, two hundred eighty-five thousand, six hundred sixty-four".