6694039 has 8 divisors (see below), whose sum is σ = 7732368. Its totient is φ = 5727360.

The previous prime is 6694021. The next prime is 6694087. The reversal of 6694039 is 9304966.

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-6694039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6693989 and 6694007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6694019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17712 + ... + 18085.

It is an arithmetic number, because the mean of its divisors is an integer number (966546).

Almost surely, 2^6694039 is an apocalyptic number.

6694039 is a deficient number, since it is larger than the sum of its proper divisors (1038329).

6694039 is a wasteful number, since it uses less digits than its factorization.

6694039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35825.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 6694039 is about 2587.2840972727. The cubic root of 6694039 is about 188.4644375637.

The spelling of 6694039 in words is "six million, six hundred ninety-four thousand, thirty-nine".