6348780 has 60 divisors (see below), whose sum is σ = 19921440. Its totient is φ = 1692576.

The previous prime is 6348773. The next prime is 6348781. The reversal of 6348780 is 878436.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (6348781) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 340 + ... + 3579.

It is an arithmetic number, because the mean of its divisors is an integer number (332024).

Almost surely, 2^6348780 is an apocalyptic number.

6348780 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6348780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9960720).

6348780 is an abundant number, since it is smaller than the sum of its proper divisors (13572660).

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

6348780 is a wasteful number, since it uses less digits than its factorization.

6348780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3940 (or 3929 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 6348780 is about 2519.6785509267. The cubic root of 6348780 is about 185.1669299239.

The spelling of 6348780 in words is "six million, three hundred forty-eight thousand, seven hundred eighty".