2774138 has 4 divisors (see below), whose sum is σ = 4161210. Its totient is φ = 1387068.

The previous prime is 2774137. The next prime is 2774141. The reversal of 2774138 is 8314772.

It is a happy number.

2774138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2550409 + 223729 = 1597^2 + 473^2 .

It is not an unprimeable number, because it can be changed into a prime (2774137) 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 as a sum of consecutive naturals, namely, 693533 + ... + 693536.

2^2774138 is an apocalyptic number.

2774138 is a deficient number, since it is larger than the sum of its proper divisors (1387072).

2774138 is a wasteful number, since it uses less digits than its factorization.

2774138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1387071.

The product of its digits is 9408, while the sum is 32.

The square root of 2774138 is about 1665.5743754033. The cubic root of 2774138 is about 140.5106858976.

The spelling of 2774138 in words is "two million, seven hundred seventy-four thousand, one hundred thirty-eight".