2770949 has 4 divisors (see below), whose sum is σ = 2933964. Its totient is φ = 2607936.

The previous prime is 2770939. The next prime is 2770973. The reversal of 2770949 is 9490772.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1170724 + 1600225 = 1082^2 + 1265^2 .

It is not a de Polignac number, because 2770949 - 2⁸ = 2770693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2770939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81482 + ... + 81515.

It is an arithmetic number, because the mean of its divisors is an integer number (733491).

2^2770949 is an apocalyptic number.

It is an amenable number.

2770949 is a deficient number, since it is larger than the sum of its proper divisors (163015).

2770949 is a wasteful number, since it uses less digits than its factorization.

2770949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163014.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 2770949 is about 1664.6167727138. The cubic root of 2770949 is about 140.4568240750.

The spelling of 2770949 in words is "two million, seven hundred seventy thousand, nine hundred forty-nine".