2876649 has 4 divisors (see below), whose sum is σ = 3835536. Its totient is φ = 1917764.

The previous prime is 2876647. The next prime is 2876669. The reversal of 2876649 is 9466782.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2876649 - 2¹ = 2876647 is a prime.

It is a D-number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2876649.

It is not an unprimeable number, because it can be changed into a prime (2876647) 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 3 ways as a sum of consecutive naturals, for example, 479439 + ... + 479444.

It is an arithmetic number, because the mean of its divisors is an integer number (958884).

2^2876649 is an apocalyptic number.

It is an amenable number.

2876649 is a deficient number, since it is larger than the sum of its proper divisors (958887).

2876649 is an equidigital number, since it uses as much as digits as its factorization.

2876649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958886.

The product of its digits is 145152, while the sum is 42.

The square root of 2876649 is about 1696.0686896467. The cubic root of 2876649 is about 142.2205295163.

The spelling of 2876649 in words is "two million, eight hundred seventy-six thousand, six hundred forty-nine".