7980839 has 8 divisors (see below), whose sum is σ = 8453760. Its totient is φ = 7518456.

The previous prime is 7980821. The next prime is 7980859. The reversal of 7980839 is 9380897.

7980839 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7980839 is a prime.

It is a super-2 number, since 2×7980839² = 127387582287842, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7980839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7980859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1049 + ... + 4130.

It is an arithmetic number, because the mean of its divisors is an integer number (1056720).

Almost surely, 2^7980839 is an apocalyptic number.

7980839 is a deficient number, since it is larger than the sum of its proper divisors (472921).

7980839 is a wasteful number, since it uses less digits than its factorization.

7980839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5269.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 7980839 is about 2825.0378758523. The cubic root of 7980839 is about 199.8401973496.

The spelling of 7980839 in words is "seven million, nine hundred eighty thousand, eight hundred thirty-nine".