428956 has 12 divisors (see below), whose sum is σ = 819000. Its totient is φ = 194960.

The previous prime is 428951. The next prime is 428957. The reversal of 428956 is 659824.

It is a happy number.

428956 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428951) 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, 4831 + ... + 4918.

It is an arithmetic number, because the mean of its divisors is an integer number (68250).

2⁴²⁸⁹⁵⁶ is an apocalyptic number.

It is an amenable number.

428956 is a deficient number, since it is larger than the sum of its proper divisors (390044).

428956 is a wasteful number, since it uses less digits than its factorization.

428956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9764 (or 9762 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 428956 is about 654.9473261263. The cubic root of 428956 is about 75.4172887766.

It can be divided in two parts, 42 and 8956, that added together give a palindrome (8998).

The spelling of 428956 in words is "four hundred twenty-eight thousand, nine hundred fifty-six".