6989717 has 8 divisors (see below), whose sum is σ = 8014656. Its totient is φ = 5971392.

The previous prime is 6989713. The next prime is 6989729. The reversal of 6989717 is 7179896.

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

It is not a de Polignac number, because 6989717 - 2² = 6989713 is a prime.

It is a super-2 number, since 2×6989717² = 97712287480178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6989713) 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, 878 + ... + 3840.

It is an arithmetic number, because the mean of its divisors is an integer number (1001832).

Almost surely, 2^6989717 is an apocalyptic number.

It is an amenable number.

6989717 is a deficient number, since it is larger than the sum of its proper divisors (1024939).

6989717 is a wasteful number, since it uses less digits than its factorization.

6989717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3307.

The product of its digits is 190512, while the sum is 47.

The square root of 6989717 is about 2643.8072925234. The cubic root of 6989717 is about 191.1994025092.

The spelling of 6989717 in words is "six million, nine hundred eighty-nine thousand, seven hundred seventeen".