428682 has 16 divisors (see below), whose sum is σ = 880992. Its totient is φ = 138960.

The previous prime is 428677. The next prime is 428683. The reversal of 428682 is 286824.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (428683) by changing a digit.

428682 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, 744 + ... + 1187.

It is an arithmetic number, because the mean of its divisors is an integer number (55062).

2⁴²⁸⁶⁸² is an apocalyptic number.

428682 is an abundant number, since it is smaller than the sum of its proper divisors (452310).

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

428682 is a wasteful number, since it uses less digits than its factorization.

428682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1973.

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

The square root of 428682 is about 654.7381155852. The cubic root of 428682 is about 75.4012275034.

The spelling of 428682 in words is "four hundred twenty-eight thousand, six hundred eighty-two".