4398780 has 48 divisors (see below), whose sum is σ = 12418560. Its totient is φ = 1163328.

The previous prime is 4398769. The next prime is 4398787. The reversal of 4398780 is 878934.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4398787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9801 + ... + 10239.

It is an arithmetic number, because the mean of its divisors is an integer number (258720).

Almost surely, 2^4398780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4398780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6209280).

4398780 is an abundant number, since it is smaller than the sum of its proper divisors (8019780).

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

4398780 is a wasteful number, since it uses less digits than its factorization.

4398780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618 (or 616 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 4398780 is about 2097.3268700896. The cubic root of 4398780 is about 163.8491076906.

The spelling of 4398780 in words is "four million, three hundred ninety-eight thousand, seven hundred eighty".