4289664 has 32 divisors (see below), whose sum is σ = 11395440. Its totient is φ = 1429760.

The previous prime is 4289657. The next prime is 4289683. The reversal of 4289664 is 4669824.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5202 + ... + 5969.

Almost surely, 2^4289664 is an apocalyptic number.

It is an amenable number.

4289664 is an abundant number, since it is smaller than the sum of its proper divisors (7105776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4289664 is a wasteful number, since it uses less digits than its factorization.

4289664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11188 (or 11176 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 4289664 is about 2071.1504049682. The cubic root of 4289664 is about 162.4829362753.

The spelling of 4289664 in words is "four million, two hundred eighty-nine thousand, six hundred sixty-four".