6980540 has 72 divisors (see below), whose sum is σ = 18098640. Its totient is φ = 2247168.

The previous prime is 6980527. The next prime is 6980551. The reversal of 6980540 is 450896.

6980540 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

6980540 is strictly pandigital in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 6980497 and 6980506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16451 + ... + 16869.

It is an arithmetic number, because the mean of its divisors is an integer number (251370).

Almost surely, 2^6980540 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 6980540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9049320).

6980540 is an abundant number, since it is smaller than the sum of its proper divisors (11118100).

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

6980540 is a wasteful number, since it uses less digits than its factorization.

6980540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459 (or 450 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 6980540 is about 2642.0711572552. The cubic root of 6980540 is about 191.1156888013.

The spelling of 6980540 in words is "six million, nine hundred eighty thousand, five hundred forty".