2796861 has 8 divisors (see below), whose sum is σ = 3737664. Its totient is φ = 1860320.

The previous prime is 2796839. The next prime is 2796877. The reversal of 2796861 is 1686972.

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 2796861 - 2⁶ = 2796797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2796361) 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 7 ways as a sum of consecutive naturals, for example, 1096 + ... + 2606.

It is an arithmetic number, because the mean of its divisors is an integer number (467208).

2^2796861 is an apocalyptic number.

It is an amenable number.

2796861 is a deficient number, since it is larger than the sum of its proper divisors (940803).

2796861 is a wasteful number, since it uses less digits than its factorization.

2796861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2131.

The product of its digits is 36288, while the sum is 39.

The square root of 2796861 is about 1672.3818343907. The cubic root of 2796861 is about 140.8932847783.

It can be divided in two parts, 279 and 6861, that added together give a triangular number (7140 = T₁₁₉).

The spelling of 2796861 in words is "two million, seven hundred ninety-six thousand, eight hundred sixty-one".