529648 has 20 divisors (see below), whose sum is σ = 1173040. Its totient is φ = 226944.

The previous prime is 529637. The next prime is 529649. The reversal of 529648 is 846925.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (529649) by changing a digit.

529648 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2253 + ... + 2476.

It is an arithmetic number, because the mean of its divisors is an integer number (58652).

2⁵²⁹⁶⁴⁸ is an apocalyptic number.

It is an amenable number.

529648 is an abundant number, since it is smaller than the sum of its proper divisors (643392).

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

529648 is a wasteful number, since it uses less digits than its factorization.

529648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4744 (or 4738 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 529648 is about 727.7691941818. The cubic root of 529648 is about 80.9088035247.

It can be divided in two parts, 5 and 29648, that multiplied together give a triangular number (148240 = T₅₄₄).

The spelling of 529648 in words is "five hundred twenty-nine thousand, six hundred forty-eight".