8619798 has 48 divisors (see below), whose sum is σ = 19611648. Its totient is φ = 2521200.

The previous prime is 8619797. The next prime is 8619811. The reversal of 8619798 is 8979168.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8619791) 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, 22315 + ... + 22697.

It is an arithmetic number, because the mean of its divisors is an integer number (408576).

Almost surely, 2^8619798 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8619798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9805824).

8619798 is an abundant number, since it is smaller than the sum of its proper divisors (10991850).

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

8619798 is a wasteful number, since it uses less digits than its factorization.

8619798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441 (or 430 counting only the distinct ones).

The product of its digits is 217728, while the sum is 48.

The square root of 8619798 is about 2935.9492502426. The cubic root of 8619798 is about 205.0370585393.

The spelling of 8619798 in words is "eight million, six hundred nineteen thousand, seven hundred ninety-eight".