428098 has 24 divisors (see below), whose sum is σ = 742140. Its totient is φ = 184800.

The previous prime is 428093. The next prime is 428137. The reversal of 428098 is 890824.

428098 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 393129 + 34969 = 627^2 + 187^2 .

It is not an unprimeable number, because it can be changed into a prime (428093) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6988 + ... + 7048.

2⁴²⁸⁰⁹⁸ is an apocalyptic number.

428098 is a deficient number, since it is larger than the sum of its proper divisors (314042).

428098 is a wasteful number, since it uses less digits than its factorization.

428098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114 (or 103 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 428098 is about 654.2919837504. The cubic root of 428098 is about 75.3669718638.

The spelling of 428098 in words is "four hundred twenty-eight thousand, ninety-eight".