2887306 has 4 divisors (see below), whose sum is σ = 4330962. Its totient is φ = 1443652.

The previous prime is 2887289. The next prime is 2887307. The reversal of 2887306 is 6037882.

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 only one way, i.e., 2223081 + 664225 = 1491^2 + 815^2 .

It is not an unprimeable number, because it can be changed into a prime (2887307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721825 + ... + 721828.

2^2887306 is an apocalyptic number.

2887306 is a deficient number, since it is larger than the sum of its proper divisors (1443656).

2887306 is a wasteful number, since it uses less digits than its factorization.

2887306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443655.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 2887306 is about 1699.2074623188. The cubic root of 2887306 is about 142.3959392121.

The spelling of 2887306 in words is "two million, eight hundred eighty-seven thousand, three hundred six".