4228398 has 24 divisors (see below), whose sum is σ = 9314136. Its totient is φ = 1386000.

The previous prime is 4228391. The next prime is 4228423. The reversal of 4228398 is 8938224.

It is a d-powerful number, because it can be written as 4 + 2²¹ + 2²¹ + 8³ + 3⁶ + 9² + 8⁵ .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4228391) 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, 828 + ... + 3023.

It is an arithmetic number, because the mean of its divisors is an integer number (388089).

Almost surely, 2^4228398 is an apocalyptic number.

4228398 is an abundant number, since it is smaller than the sum of its proper divisors (5085738).

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

4228398 is a wasteful number, since it uses less digits than its factorization.

4228398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3920 (or 3917 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 4228398 is about 2056.3068837117. The cubic root of 4228398 is about 161.7056841856.

The spelling of 4228398 in words is "four million, two hundred twenty-eight thousand, three hundred ninety-eight".