428598 has 16 divisors (see below), whose sum is σ = 952560. Its totient is φ = 142848.

The previous prime is 428579. The next prime is 428629. The reversal of 428598 is 895824.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4 + 2¹⁰ + 5⁸ + 8⁴ + 9² + 8⁵ .

It is a congruent number.

It is an unprimeable number.

428598 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, 3915 + ... + 4022.

It is an arithmetic number, because the mean of its divisors is an integer number (59535).

2⁴²⁸⁵⁹⁸ is an apocalyptic number.

428598 is an abundant number, since it is smaller than the sum of its proper divisors (523962).

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

428598 is a wasteful number, since it uses less digits than its factorization.

428598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7948 (or 7942 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 428598 is about 654.6739646572. The cubic root of 428598 is about 75.3963022388.

The spelling of 428598 in words is "four hundred twenty-eight thousand, five hundred ninety-eight".