520492 has 24 divisors (see below), whose sum is σ = 1078560. Its totient is φ = 215040.

The previous prime is 520451. The next prime is 520529. The reversal of 520492 is 294025.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492 + ... + 1132.

It is an arithmetic number, because the mean of its divisors is an integer number (44940).

2⁵²⁰⁴⁹² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (539280).

520492 is an abundant number, since it is smaller than the sum of its proper divisors (558068).

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

520492 is a wasteful number, since it uses less digits than its factorization.

520492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681 (or 679 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 520492 is about 721.4513150588. The cubic root of 520492 is about 80.4398686783.

The spelling of 520492 in words is "five hundred twenty thousand, four hundred ninety-two".