2776249 has 8 divisors (see below), whose sum is σ = 3190400. Its totient is φ = 2366496.

The previous prime is 2776217. The next prime is 2776259. The reversal of 2776249 is 9426772.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2776249 - 2⁵ = 2776217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2776259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 397 + ... + 2389.

It is an arithmetic number, because the mean of its divisors is an integer number (398800).

2^2776249 is an apocalyptic number.

It is an amenable number.

2776249 is a deficient number, since it is larger than the sum of its proper divisors (414151).

2776249 is a wasteful number, since it uses less digits than its factorization.

2776249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2199.

The product of its digits is 42336, while the sum is 37.

The square root of 2776249 is about 1666.2079702126. The cubic root of 2776249 is about 140.5463177289.

It can be divided in two parts, 2776 and 249, that added together give a square (3025 = 55²).

The spelling of 2776249 in words is "two million, seven hundred seventy-six thousand, two hundred forty-nine".