2916861 has 16 divisors (see below), whose sum is σ = 4155840. Its totient is φ = 1814400.

The previous prime is 2916841. The next prime is 2916919. The reversal of 2916861 is 1686192.

It is not a de Polignac number, because 2916861 - 2¹⁰ = 2915837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2916811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3811 + ... + 4511.

It is an arithmetic number, because the mean of its divisors is an integer number (259740).

2^2916861 is an apocalyptic number.

It is an amenable number.

2916861 is a deficient number, since it is larger than the sum of its proper divisors (1238979).

2916861 is a wasteful number, since it uses less digits than its factorization.

2916861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796.

The product of its digits is 5184, while the sum is 33.

The square root of 2916861 is about 1707.8820216865. The cubic root of 2916861 is about 142.8801545311.

The spelling of 2916861 in words is "two million, nine hundred sixteen thousand, eight hundred sixty-one".