6980440 has 48 divisors (see below), whose sum is σ = 16250400. Its totient is φ = 2698176.

The previous prime is 6980423. The next prime is 6980443. The reversal of 6980440 is 440896.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6980443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88321 + ... + 88399.

It is an arithmetic number, because the mean of its divisors is an integer number (338550).

Almost surely, 2^6980440 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 6980440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8125200).

6980440 is an abundant number, since it is smaller than the sum of its proper divisors (9269960).

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

6980440 is a wasteful number, since it uses less digits than its factorization.

6980440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 6980440 is about 2642.0522326404. The cubic root of 6980440 is about 191.1147761851.

The spelling of 6980440 in words is "six million, nine hundred eighty thousand, four hundred forty".