4098798 has 48 divisors (see below), whose sum is σ = 9824256. Its totient is φ = 1224720.

The previous prime is 4098797. The next prime is 4098817. The reversal of 4098798 is 8978904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4098791) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25065 + ... + 25227.

It is an arithmetic number, because the mean of its divisors is an integer number (204672).

Almost surely, 2^4098798 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4098798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4912128).

4098798 is an abundant number, since it is smaller than the sum of its proper divisors (5725458).

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

4098798 is a wasteful number, since it uses less digits than its factorization.

4098798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 306 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 4098798 is about 2024.5488386305. The cubic root of 4098798 is about 160.0364239991.

The spelling of 4098798 in words is "four million, ninety-eight thousand, seven hundred ninety-eight".