428798 has 4 divisors (see below), whose sum is σ = 643200. Its totient is φ = 214398.

The previous prime is 428797. The next prime is 428801. The reversal of 428798 is 897824.

428798 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107198 + ... + 107201.

It is an arithmetic number, because the mean of its divisors is an integer number (160800).

2⁴²⁸⁷⁹⁸ is an apocalyptic number.

428798 is a deficient number, since it is larger than the sum of its proper divisors (214402).

428798 is a wasteful number, since it uses less digits than its factorization.

428798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214401.

The product of its digits is 32256, while the sum is 38.

The square root of 428798 is about 654.8266946300. The cubic root of 428798 is about 75.4080280016.

The spelling of 428798 in words is "four hundred twenty-eight thousand, seven hundred ninety-eight".