523964 has 12 divisors (see below), whose sum is σ = 1047984. Its totient is φ = 224544.

The previous prime is 523949. The next prime is 523969. The reversal of 523964 is 469325.

523964 is an admirable number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9329 + ... + 9384.

It is an arithmetic number, because the mean of its divisors is an integer number (87332).

2⁵²³⁹⁶⁴ is an apocalyptic number.

It is an amenable number.

523964 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

523964 is a wasteful number, since it uses less digits than its factorization.

523964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18724 (or 18722 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

The square root of 523964 is about 723.8535763537. The cubic root of 523964 is about 80.6183334832.

The spelling of 523964 in words is "five hundred twenty-three thousand, nine hundred sixty-four".