271906869 has 16 divisors (see below), whose sum is σ = 397051200. Its totient is φ = 164489856.

The previous prime is 271906867. The next prime is 271906883. The reversal of 271906869 is 968609172.

It is not a de Polignac number, because 271906869 - 2¹ = 271906867 is a prime.

It is a super-2 number, since 2×271906869² = 147866690818766322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (271906867) 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 15 ways as a sum of consecutive naturals, for example, 56784 + ... + 61385.

It is an arithmetic number, because the mean of its divisors is an integer number (24815700).

Almost surely, 2^271906869 is an apocalyptic number.

It is an amenable number.

271906869 is a deficient number, since it is larger than the sum of its proper divisors (125144331).

271906869 is a wasteful number, since it uses less digits than its factorization.

271906869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118244.

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 271906869 is about 16489.5988125849. The cubic root of 271906869 is about 647.8484037046.

The spelling of 271906869 in words is "two hundred seventy-one million, nine hundred six thousand, eight hundred sixty-nine".