428862 has 16 divisors (see below), whose sum is σ = 980352. Its totient is φ = 122520.

The previous prime is 428851. The next prime is 428863. The reversal of 428862 is 268824.

It is a happy number.

428862 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428863) by changing a digit.

428862 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5064 + ... + 5147.

It is an arithmetic number, because the mean of its divisors is an integer number (61272).

2⁴²⁸⁸⁶² is an apocalyptic number.

428862 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

428862 is an abundant number, since it is smaller than the sum of its proper divisors (551490).

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

428862 is a wasteful number, since it uses less digits than its factorization.

428862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10223.

The product of its digits is 6144, while the sum is 30.

The square root of 428862 is about 654.8755606984. The cubic root of 428862 is about 75.4117794757.

The spelling of 428862 in words is "four hundred twenty-eight thousand, eight hundred sixty-two".