523992 has 32 divisors (see below), whose sum is σ = 1497600. Its totient is φ = 149664.

The previous prime is 523987. The next prime is 523997. The reversal of 523992 is 299325.

It is an interprime number because it is at equal distance from previous prime (523987) and next prime (523997).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523997) by changing a digit.

523992 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 7 ways as a sum of consecutive naturals, for example, 1392 + ... + 1727.

It is an arithmetic number, because the mean of its divisors is an integer number (46800).

2⁵²³⁹⁹² is an apocalyptic number.

It is an amenable number.

523992 is an abundant number, since it is smaller than the sum of its proper divisors (973608).

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

523992 is a wasteful number, since it uses less digits than its factorization.

523992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3135 (or 3131 counting only the distinct ones).

The product of its digits is 4860, while the sum is 30.

The square root of 523992 is about 723.8729170234. The cubic root of 523992 is about 80.6197695062.

The spelling of 523992 in words is "five hundred twenty-three thousand, nine hundred ninety-two".