428874 has 8 divisors (see below), whose sum is σ = 857760. Its totient is φ = 142956.

The previous prime is 428873. The next prime is 428899. The reversal of 428874 is 478824.

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

428874 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (428873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35734 + ... + 35745.

It is an arithmetic number, because the mean of its divisors is an integer number (107220).

2⁴²⁸⁸⁷⁴ is an apocalyptic number.

428874 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

428874 is a wasteful number, since it uses less digits than its factorization.

428874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71484.

The product of its digits is 14336, while the sum is 33.

The square root of 428874 is about 654.8847226803. The cubic root of 428874 is about 75.4124828355.

The spelling of 428874 in words is "four hundred twenty-eight thousand, eight hundred seventy-four".