6941809 has 8 divisors (see below), whose sum is σ = 8034560. Its totient is φ = 5874336.

The previous prime is 6941807. The next prime is 6941813. The reversal of 6941809 is 9081496.

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

It is a cyclic number.

It is not a de Polignac number, because 6941809 - 2¹ = 6941807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6941801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5724 + ... + 6829.

It is an arithmetic number, because the mean of its divisors is an integer number (1004320).

Almost surely, 2^6941809 is an apocalyptic number.

It is an amenable number.

6941809 is a deficient number, since it is larger than the sum of its proper divisors (1092751).

6941809 is a wasteful number, since it uses less digits than its factorization.

6941809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12639.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 6941809 is about 2634.7312955973. The cubic root of 6941809 is about 190.7615693922.

It can be divided in two parts, 6941 and 809, that added together give a triangular number (7750 = T₁₂₄).

The spelling of 6941809 in words is "six million, nine hundred forty-one thousand, eight hundred nine".