943664 has 10 divisors (see below), whose sum is σ = 1828380. Its totient is φ = 471824.

The previous prime is 943651. The next prime is 943693. The reversal of 943664 is 466349.

It is a nialpdrome in base 16.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 943664.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29474 + ... + 29505.

It is an arithmetic number, because the mean of its divisors is an integer number (182838).

2⁹⁴³⁶⁶⁴ is an apocalyptic number.

It is an amenable number.

943664 is a deficient number, since it is larger than the sum of its proper divisors (884716).

943664 is a wasteful number, since it uses less digits than its factorization.

943664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58987 (or 58981 counting only the distinct ones).

The product of its digits is 15552, while the sum is 32.

The square root of 943664 is about 971.4236974668. The cubic root of 943664 is about 98.0857225792.

The spelling of 943664 in words is "nine hundred forty-three thousand, six hundred sixty-four".