6996609 has 24 divisors (see below), whose sum is σ = 10544352. Its totient is φ = 4466880.

The previous prime is 6996559. The next prime is 6996611. The reversal of 6996609 is 9066996.

It is not a de Polignac number, because 6996609 - 2⁹ = 6996097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6996629) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24582 + ... + 24864.

It is an arithmetic number, because the mean of its divisors is an integer number (439348).

Almost surely, 2^6996609 is an apocalyptic number.

It is an amenable number.

6996609 is a deficient number, since it is larger than the sum of its proper divisors (3547743).

6996609 is a wasteful number, since it uses less digits than its factorization.

6996609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 45.

The square root of 6996609 is about 2645.1103946716. The cubic root of 6996609 is about 191.2622240040.

The spelling of 6996609 in words is "six million, nine hundred ninety-six thousand, six hundred nine".