2276786 has 4 divisors (see below), whose sum is σ = 3415182. Its totient is φ = 1138392.

The previous prime is 2276783. The next prime is 2276809. The reversal of 2276786 is 6876722.

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

It can be written as a sum of positive squares in only one way, i.e., 1500625 + 776161 = 1225^2 + 881^2 .

It is a d-powerful number, because it can be written as 2¹⁷ + 2²¹ + 7² + 6⁴ + 7² + 8³ + 6⁶ .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2276783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 569195 + ... + 569198.

2^2276786 is an apocalyptic number.

2276786 is a deficient number, since it is larger than the sum of its proper divisors (1138396).

2276786 is a wasteful number, since it uses less digits than its factorization.

2276786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138395.

The product of its digits is 56448, while the sum is 38.

The square root of 2276786 is about 1508.9022499818. The cubic root of 2276786 is about 131.5550136791. Note that the first 3 decimals are identical.

The spelling of 2276786 in words is "two million, two hundred seventy-six thousand, seven hundred eighty-six".