428529 has 8 divisors (see below), whose sum is σ = 578592. Its totient is φ = 282080.

The previous prime is 428509. The next prime is 428531. The reversal of 428529 is 925824.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 428529 - 2⁷ = 428401 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 428496 and 428505.

It is not an unprimeable number, because it can be changed into a prime (428509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 612 + ... + 1109.

It is an arithmetic number, because the mean of its divisors is an integer number (72324).

2⁴²⁸⁵²⁹ is an apocalyptic number.

It is an amenable number.

428529 is a deficient number, since it is larger than the sum of its proper divisors (150063).

428529 is a wasteful number, since it uses less digits than its factorization.

428529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807.

The product of its digits is 5760, while the sum is 30.

The square root of 428529 is about 654.6212645492. The cubic root of 428529 is about 75.3922560043.

The spelling of 428529 in words is "four hundred twenty-eight thousand, five hundred twenty-nine".