2779271 has 8 divisors (see below), whose sum is σ = 3045504. Its totient is φ = 2515320.

The previous prime is 2779261. The next prime is 2779277. The reversal of 2779271 is 1729772.

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

It is a cyclic number.

It is not a de Polignac number, because 2779271 - 2¹⁸ = 2517127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2779277) 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, 2966 + ... + 3788.

It is an arithmetic number, because the mean of its divisors is an integer number (380688).

2^2779271 is an apocalyptic number.

2779271 is a deficient number, since it is larger than the sum of its proper divisors (266233).

2779271 is a wasteful number, since it uses less digits than its factorization.

2779271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141.

The product of its digits is 12348, while the sum is 35.

The square root of 2779271 is about 1667.1145731473. The cubic root of 2779271 is about 140.5972950195.

The spelling of 2779271 in words is "two million, seven hundred seventy-nine thousand, two hundred seventy-one".