6940280 has 64 divisors (see below), whose sum is σ = 16761600. Its totient is φ = 2580480.

The previous prime is 6940279. The next prime is 6940289. The reversal of 6940280 is 820496.

6940280 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6940289) by changing a digit.

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, 35864 + ... + 36056.

It is an arithmetic number, because the mean of its divisors is an integer number (261900).

Almost surely, 2^6940280 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 6940280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8380800).

6940280 is an abundant number, since it is smaller than the sum of its proper divisors (9821320).

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

6940280 is a wasteful number, since it uses less digits than its factorization.

6940280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 6940280 is about 2634.4411172011. The cubic root of 6940280 is about 190.7475626754.

The spelling of 6940280 in words is "six million, nine hundred forty thousand, two hundred eighty".