2740869 has 6 divisors (see below), whose sum is σ = 3959046. Its totient is φ = 1827240.

The previous prime is 2740867. The next prime is 2740889. The reversal of 2740869 is 9680472.

It can be written as a sum of positive squares in only one way, i.e., 1790244 + 950625 = 1338^2 + 975^2 .

It is not a de Polignac number, because 2740869 - 2¹ = 2740867 is a prime.

It is a super-2 number, since 2×2740869² = 15024725750322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2740867) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 152262 + ... + 152279.

It is an arithmetic number, because the mean of its divisors is an integer number (659841).

2^2740869 is an apocalyptic number.

It is an amenable number.

2740869 is a deficient number, since it is larger than the sum of its proper divisors (1218177).

2740869 is a wasteful number, since it uses less digits than its factorization.

2740869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304547 (or 304544 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 2740869 is about 1655.5570059651. The cubic root of 2740869 is about 139.9467314351.

The spelling of 2740869 in words is "two million, seven hundred forty thousand, eight hundred sixty-nine".