6838780 has 48 divisors (see below), whose sum is σ = 16017120. Its totient is φ = 2435328.

The previous prime is 6838739. The next prime is 6838801. The reversal of 6838780 is 878386.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7087 + ... + 7993.

It is an arithmetic number, because the mean of its divisors is an integer number (333690).

Almost surely, 2^6838780 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 6838780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8008560).

6838780 is an abundant number, since it is smaller than the sum of its proper divisors (9178340).

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

6838780 is a wasteful number, since it uses less digits than its factorization.

6838780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958 (or 956 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 6838780 is about 2615.1061163937. The cubic root of 6838780 is about 189.8131126334.

The spelling of 6838780 in words is "six million, eight hundred thirty-eight thousand, seven hundred eighty".