2774391 has 8 divisors (see below), whose sum is σ = 3769200. Its totient is φ = 1814592.

The previous prime is 2774389. The next prime is 2774393. The reversal of 2774391 is 1934772.

It is an interprime number because it is at equal distance from previous prime (2774389) and next prime (2774393).

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

It is not a de Polignac number, because 2774391 - 2¹ = 2774389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2774393) 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 7 ways as a sum of consecutive naturals, for example, 8566 + ... + 8883.

It is an arithmetic number, because the mean of its divisors is an integer number (471150).

2^2774391 is an apocalyptic number.

2774391 is a deficient number, since it is larger than the sum of its proper divisors (994809).

2774391 is a wasteful number, since it uses less digits than its factorization.

2774391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17505.

The product of its digits is 10584, while the sum is 33.

The square root of 2774391 is about 1665.6503234473. The cubic root of 2774391 is about 140.5149572692.

The spelling of 2774391 in words is "two million, seven hundred seventy-four thousand, three hundred ninety-one".