6989217 has 8 divisors (see below), whose sum is σ = 9724224. Its totient is φ = 4456848.

The previous prime is 6989183. The next prime is 6989219. The reversal of 6989217 is 7129896.

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

It is not a de Polignac number, because 6989217 - 2⁶ = 6989153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6989219) 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, 50578 + ... + 50715.

It is an arithmetic number, because the mean of its divisors is an integer number (1215528).

Almost surely, 2^6989217 is an apocalyptic number.

It is an amenable number.

6989217 is a deficient number, since it is larger than the sum of its proper divisors (2735007).

6989217 is a wasteful number, since it uses less digits than its factorization.

6989217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101319.

The product of its digits is 54432, while the sum is 42.

The square root of 6989217 is about 2643.7127302338. The cubic root of 6989217 is about 191.1948433365.

The spelling of 6989217 in words is "six million, nine hundred eighty-nine thousand, two hundred seventeen".