2774387 has 16 divisors (see below), whose sum is σ = 3497472. Its totient is φ = 2137920.

The previous prime is 2774381. The next prime is 2774389. The reversal of 2774387 is 7834772.

It is a cyclic number.

It is not a de Polignac number, because 2774387 - 2¹⁴ = 2758003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2774387.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2774381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10418 + ... + 10680.

It is an arithmetic number, because the mean of its divisors is an integer number (218592).

2^2774387 is an apocalyptic number.

2774387 is a deficient number, since it is larger than the sum of its proper divisors (723085).

2774387 is a wasteful number, since it uses less digits than its factorization.

2774387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418.

The product of its digits is 65856, while the sum is 38.

The square root of 2774387 is about 1665.6491227146. The cubic root of 2774387 is about 140.5148897396.

It can be divided in two parts, 277 and 4387, that added together give a palindrome (4664).

The spelling of 2774387 in words is "two million, seven hundred seventy-four thousand, three hundred eighty-seven".