428896 has 24 divisors (see below), whose sum is σ = 910224. Its totient is φ = 197760.

The previous prime is 428873. The next prime is 428899. The reversal of 428896 is 698824.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428899) 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, 100 + ... + 931.

It is an arithmetic number, because the mean of its divisors is an integer number (37926).

2⁴²⁸⁸⁹⁶ is an apocalyptic number.

It is an amenable number.

428896 is an abundant number, since it is smaller than the sum of its proper divisors (481328).

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

428896 is a wasteful number, since it uses less digits than its factorization.

428896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054 (or 1046 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 428896 is about 654.9015193142. The cubic root of 428896 is about 75.4137722945.

It can be divided in two parts, 4 and 28896, that added together give a square (28900 = 170²).

The spelling of 428896 in words is "four hundred twenty-eight thousand, eight hundred ninety-six".