6697239 has 16 divisors (see below), whose sum is σ = 9238752. Its totient is φ = 4313088.

The previous prime is 6697219. The next prime is 6697241. The reversal of 6697239 is 9327966.

It is not a de Polignac number, because 6697239 - 2¹² = 6693143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6697239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6697219) 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 15 ways as a sum of consecutive naturals, for example, 11319 + ... + 11895.

It is an arithmetic number, because the mean of its divisors is an integer number (577422).

Almost surely, 2^6697239 is an apocalyptic number.

6697239 is a deficient number, since it is larger than the sum of its proper divisors (2541513).

6697239 is a wasteful number, since it uses less digits than its factorization.

6697239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706.

The product of its digits is 122472, while the sum is 42.

The square root of 6697239 is about 2587.9024324731. The cubic root of 6697239 is about 188.4944637868.

The spelling of 6697239 in words is "six million, six hundred ninety-seven thousand, two hundred thirty-nine".