6939089 has 4 divisors (see below), whose sum is σ = 7010724. Its totient is φ = 6867456.

The previous prime is 6939083. The next prime is 6939103. The reversal of 6939089 is 9809396.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2907025 + 4032064 = 1705^2 + 2008^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6939089 is a prime.

It is a super-2 number, since 2×6939089² = 96301912299842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6939083) 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, 35672 + ... + 35865.

It is an arithmetic number, because the mean of its divisors is an integer number (1752681).

Almost surely, 2^6939089 is an apocalyptic number.

It is an amenable number.

6939089 is a deficient number, since it is larger than the sum of its proper divisors (71635).

6939089 is an equidigital number, since it uses as much as digits as its factorization.

6939089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71634.

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 6939089 is about 2634.2150633538. The cubic root of 6939089 is about 190.7366508514.

The spelling of 6939089 in words is "six million, nine hundred thirty-nine thousand, eighty-nine".