524664 has 64 divisors (see below), whose sum is σ = 1670400. Its totient is φ = 149472.

The previous prime is 524633. The next prime is 524669. The reversal of 524664 is 466425.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 524664.

It is not an unprimeable number, because it can be changed into a prime (524669) by changing a digit.

524664 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1339 + ... + 1685.

It is an arithmetic number, because the mean of its divisors is an integer number (26100).

2⁵²⁴⁶⁶⁴ is an apocalyptic number.

524664 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 524664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (835200).

524664 is an abundant number, since it is smaller than the sum of its proper divisors (1145736).

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

524664 is a wasteful number, since it uses less digits than its factorization.

524664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369 (or 359 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 524664 is about 724.3369381717. The cubic root of 524664 is about 80.6542187229.

The spelling of 524664 in words is "five hundred twenty-four thousand, six hundred sixty-four".