529664 has 18 divisors (see below), whose sum is σ = 1057770. Its totient is φ = 264704.

The previous prime is 529657. The next prime is 529673. The reversal of 529664 is 466925.

It can be written as a sum of positive squares in only one way, i.e., 369664 + 160000 = 608^2 + 400^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 529664.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 779 + ... + 1290.

It is an arithmetic number, because the mean of its divisors is an integer number (58765).

2⁵²⁹⁶⁶⁴ is an apocalyptic number.

It is an amenable number.

529664 is a deficient number, since it is larger than the sum of its proper divisors (528106).

529664 is an equidigital number, since it uses as much as digits as its factorization.

529664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2085 (or 2071 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 529664 is about 727.7801865948. The cubic root of 529664 is about 80.9096182342.

The spelling of 529664 in words is "five hundred twenty-nine thousand, six hundred sixty-four".