529980 has 72 divisors (see below), whose sum is σ = 1653456. Its totient is φ = 126720.

The previous prime is 529979. The next prime is 529981. The reversal of 529980 is 89925.

It is an interprime number because it is at equal distance from previous prime (529979) and next prime (529981).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a nialpdrome in base 11.

It is a zygodrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (529981) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7224 + ... + 7296.

2⁵²⁹⁹⁸⁰ 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 529980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (826728).

529980 is an abundant number, since it is smaller than the sum of its proper divisors (1123476).

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

529980 is a wasteful number, since it uses less digits than its factorization.

529980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 529980 is about 727.9972527421. The cubic root of 529980 is about 80.9257053867.

The spelling of 529980 in words is "five hundred twenty-nine thousand, nine hundred eighty".