6989271 has 8 divisors (see below), whose sum is σ = 9409920. Its totient is φ = 4614072.

The previous prime is 6989267. The next prime is 6989273. The reversal of 6989271 is 1729896.

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

It is not a de Polignac number, because 6989271 - 2² = 6989267 is a prime.

It is a super-2 number, since 2×6989271² = 97699818222882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6989273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11001 + ... + 11618.

It is an arithmetic number, because the mean of its divisors is an integer number (1176240).

Almost surely, 2^6989271 is an apocalyptic number.

6989271 is a deficient number, since it is larger than the sum of its proper divisors (2420649).

6989271 is a wasteful number, since it uses less digits than its factorization.

6989271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22725.

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

The square root of 6989271 is about 2643.7229431240. The cubic root of 6989271 is about 191.1953357376.

It can be divided in two parts, 6989 and 271, that added together give a triangular number (7260 = T₁₂₀).

The spelling of 6989271 in words is "six million, nine hundred eighty-nine thousand, two hundred seventy-one".