2776245 has 16 divisors (see below), whose sum is σ = 4518720. Its totient is φ = 1455104.

The previous prime is 2776217. The next prime is 2776259. The reversal of 2776245 is 5426772.

It is a cyclic number.

It is not a de Polignac number, because 2776245 - 2⁶ = 2776181 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 684 + ... + 2453.

It is an arithmetic number, because the mean of its divisors is an integer number (282420).

2^2776245 is an apocalyptic number.

It is an amenable number.

2776245 is a deficient number, since it is larger than the sum of its proper divisors (1742475).

2776245 is a wasteful number, since it uses less digits than its factorization.

2776245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3204.

The product of its digits is 23520, while the sum is 33.

The square root of 2776245 is about 1666.2067698818. The cubic root of 2776245 is about 140.5462502295.

The spelling of 2776245 in words is "two million, seven hundred seventy-six thousand, two hundred forty-five".