2774388 has 24 divisors (see below), whose sum is σ = 6632640. Its totient is φ = 902080.

The previous prime is 2774381. The next prime is 2774389. The reversal of 2774388 is 8834772.

2774388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2328 + ... + 3311.

It is an arithmetic number, because the mean of its divisors is an integer number (276360).

2^2774388 is an apocalyptic number.

It is an amenable number.

2774388 is an abundant number, since it is smaller than the sum of its proper divisors (3858252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2774388 is a wasteful number, since it uses less digits than its factorization.

2774388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5687 (or 5685 counting only the distinct ones).

The product of its digits is 75264, while the sum is 39.

The square root of 2774388 is about 1665.6494228979. The cubic root of 2774388 is about 140.5149066220.

It can be divided in two parts, 2 and 774388, that added together give a triangular number (774390 = T₁₂₄₄).

The spelling of 2774388 in words is "two million, seven hundred seventy-four thousand, three hundred eighty-eight".