2686271 has 4 divisors (see below), whose sum is σ = 3070032. Its totient is φ = 2302512.

The previous prime is 2686267. The next prime is 2686273. The reversal of 2686271 is 1726862.

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 2686271 - 2² = 2686267 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2686273) 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, 191870 + ... + 191883.

It is an arithmetic number, because the mean of its divisors is an integer number (767508).

2^2686271 is an apocalyptic number.

2686271 is a deficient number, since it is larger than the sum of its proper divisors (383761).

2686271 is an equidigital number, since it uses as much as digits as its factorization.

2686271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383760.

The product of its digits is 8064, while the sum is 32.

The square root of 2686271 is about 1638.9847467259. The cubic root of 2686271 is about 139.0112476449.

The spelling of 2686271 in words is "two million, six hundred eighty-six thousand, two hundred seventy-one".