428675 has 12 divisors (see below), whose sum is σ = 572880. Its totient is φ = 316320.

The previous prime is 428671. The next prime is 428677. The reversal of 428675 is 576824.

It is not a de Polignac number, because 428675 - 2² = 428671 is a prime.

It is not an unprimeable number, because it can be changed into a prime (428671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 335 + ... + 984.

It is an arithmetic number, because the mean of its divisors is an integer number (47740).

2⁴²⁸⁶⁷⁵ is an apocalyptic number.

428675 is a deficient number, since it is larger than the sum of its proper divisors (144205).

428675 is a wasteful number, since it uses less digits than its factorization.

428675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342 (or 1337 counting only the distinct ones).

The product of its digits is 13440, while the sum is 32.

The square root of 428675 is about 654.7327699146. The cubic root of 428675 is about 75.4008170892.

The spelling of 428675 in words is "four hundred twenty-eight thousand, six hundred seventy-five".