428029 has 8 divisors (see below), whose sum is σ = 499968. Its totient is φ = 358800.

The previous prime is 428027. The next prime is 428033. The reversal of 428029 is 920824.

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 428029 - 2¹ = 428027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 427994 and 428012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428023) 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 7 ways as a sum of consecutive naturals, for example, 322 + ... + 979.

It is an arithmetic number, because the mean of its divisors is an integer number (62496).

2⁴²⁸⁰²⁹ is an apocalyptic number.

It is an amenable number.

428029 is a deficient number, since it is larger than the sum of its proper divisors (71939).

428029 is a wasteful number, since it uses less digits than its factorization.

428029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1355.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 428029 is about 654.2392528731. The cubic root of 428029 is about 75.3629224791.

The spelling of 428029 in words is "four hundred twenty-eight thousand, twenty-nine".