2774439 has 16 divisors (see below), whose sum is σ = 4138240. Its totient is φ = 1837080.

The previous prime is 2774419. The next prime is 2774477. The reversal of 2774439 is 9344772.

It is not a de Polignac number, because 2774439 - 2⁷ = 2774311 is a prime.

It is a Duffinian number.

2774439 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2774419) 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, 5454 + ... + 5940.

It is an arithmetic number, because the mean of its divisors is an integer number (258640).

2^2774439 is an apocalyptic number.

2774439 is a deficient number, since it is larger than the sum of its proper divisors (1363801).

2774439 is a wasteful number, since it uses less digits than its factorization.

2774439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707 (or 701 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 2774439 is about 1665.6647321715. The cubic root of 2774439 is about 140.5157676187.

The spelling of 2774439 in words is "two million, seven hundred seventy-four thousand, four hundred thirty-nine".