428754 has 16 divisors (see below), whose sum is σ = 902880. Its totient is φ = 135360.

The previous prime is 428741. The next prime is 428759. The reversal of 428754 is 457824.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 428754.

It is not an unprimeable number, because it can be changed into a prime (428759) by changing a digit.

428754 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1767 + ... + 1994.

It is an arithmetic number, because the mean of its divisors is an integer number (56430).

2⁴²⁸⁷⁵⁴ is an apocalyptic number.

428754 is an abundant number, since it is smaller than the sum of its proper divisors (474126).

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

428754 is a wasteful number, since it uses less digits than its factorization.

428754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3785.

The product of its digits is 8960, while the sum is 30.

The square root of 428754 is about 654.7930970925. The cubic root of 428754 is about 75.4054486467.

The spelling of 428754 in words is "four hundred twenty-eight thousand, seven hundred fifty-four".