529806864 has 80 divisors (see below), whose sum is σ = 1431019520. Its totient is φ = 168704640.

The previous prime is 529806857. The next prime is 529806869. The reversal of 529806864 is 468608925.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (529806869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115299 + ... + 119805.

It is an arithmetic number, because the mean of its divisors is an integer number (17887744).

Almost surely, 2^529806864 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 529806864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (715509760).

529806864 is an abundant number, since it is smaller than the sum of its proper divisors (901212656).

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

529806864 is a wasteful number, since it uses less digits than its factorization.

529806864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4628 (or 4622 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 48.

The square root of 529806864 is about 23017.5338383590. The cubic root of 529806864 is about 809.1689204845.

The spelling of 529806864 in words is "five hundred twenty-nine million, eight hundred six thousand, eight hundred sixty-four".