529990864 has 80 divisors (see below), whose sum is σ = 1184299200. Its totient is φ = 227708928.

The previous prime is 529990859. The next prime is 529990871. The reversal of 529990864 is 468099925.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232032 + ... + 234304.

It is an arithmetic number, because the mean of its divisors is an integer number (14803740).

Almost surely, 2^529990864 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 529990864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (592149600).

529990864 is an abundant number, since it is smaller than the sum of its proper divisors (654308336).

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

529990864 is a wasteful number, since it uses less digits than its factorization.

529990864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2372 (or 2366 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 52.

The square root of 529990864 is about 23021.5304443471. The cubic root of 529990864 is about 809.2625834517.

The spelling of 529990864 in words is "five hundred twenty-nine million, nine hundred ninety thousand, eight hundred sixty-four".