6980439 has 4 divisors (see below), whose sum is σ = 9307256. Its totient is φ = 4653624.

The previous prime is 6980423. The next prime is 6980443. The reversal of 6980439 is 9340896.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6980439 - 2⁴ = 6980423 is a prime.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6980397 and 6980406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6980419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1163404 + ... + 1163409.

It is an arithmetic number, because the mean of its divisors is an integer number (2326814).

Almost surely, 2^6980439 is an apocalyptic number.

6980439 is a deficient number, since it is larger than the sum of its proper divisors (2326817).

6980439 is a wasteful number, since it uses less digits than its factorization.

6980439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2326816.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 6980439 is about 2642.0520433935. The cubic root of 6980439 is about 191.1147670589.

It can be divided in two parts, 69 and 80439, that added together give a palindrome (80508).

The spelling of 6980439 in words is "six million, nine hundred eighty thousand, four hundred thirty-nine".