2772965 has 16 divisors (see below), whose sum is σ = 3683568. Its totient is φ = 1990656.

The previous prime is 2772923. The next prime is 2772967. The reversal of 2772965 is 5692772.

It can be written as a sum of positive squares in 8 ways, for example, as 37249 + 2735716 = 193^2 + 1654^2 .

It is a cyclic number.

It is not a de Polignac number, because 2772965 - 2⁶ = 2772901 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 (2772967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1829 + ... + 2981.

It is an arithmetic number, because the mean of its divisors is an integer number (230223).

2^2772965 is an apocalyptic number.

It is an amenable number.

2772965 is a deficient number, since it is larger than the sum of its proper divisors (910603).

2772965 is a wasteful number, since it uses less digits than its factorization.

2772965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208.

The product of its digits is 52920, while the sum is 38.

The square root of 2772965 is about 1665.2222073946. Note that the first 4 decimals coincide. The cubic root of 2772965 is about 140.4908788716.

The spelling of 2772965 in words is "two million, seven hundred seventy-two thousand, nine hundred sixty-five".