2883861 has 12 divisors (see below), whose sum is σ = 4236960. Its totient is φ = 1889640.

The previous prime is 2883851. The next prime is 2883887. The reversal of 2883861 is 1683882.

It is not a de Polignac number, because 2883861 - 2⁷ = 2883733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2883851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2185 + ... + 3246.

It is an arithmetic number, because the mean of its divisors is an integer number (353080).

2^2883861 is an apocalyptic number.

It is an amenable number.

2883861 is a deficient number, since it is larger than the sum of its proper divisors (1353099).

2883861 is a wasteful number, since it uses less digits than its factorization.

2883861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5496 (or 5493 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 2883861 is about 1698.1934518776. The cubic root of 2883861 is about 142.3392832565.

The spelling of 2883861 in words is "two million, eight hundred eighty-three thousand, eight hundred sixty-one".