6989127 has 4 divisors (see below), whose sum is σ = 9318840. Its totient is φ = 4659416.

The previous prime is 6989123. The next prime is 6989137. The reversal of 6989127 is 7219896.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6989127 - 2² = 6989123 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6989123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1164852 + ... + 1164857.

It is an arithmetic number, because the mean of its divisors is an integer number (2329710).

Almost surely, 2^6989127 is an apocalyptic number.

6989127 is a deficient number, since it is larger than the sum of its proper divisors (2329713).

6989127 is a wasteful number, since it uses less digits than its factorization.

6989127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2329712.

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

The square root of 6989127 is about 2643.6957086624. The cubic root of 6989127 is about 191.1940226623.

The spelling of 6989127 in words is "six million, nine hundred eighty-nine thousand, one hundred twenty-seven".