2861044 has 12 divisors (see below), whose sum is σ = 5037984. Its totient is φ = 1421624.

The previous prime is 2861041. The next prime is 2861051. The reversal of 2861044 is 4401682.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2861041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1474 + ... + 2809.

It is an arithmetic number, because the mean of its divisors is an integer number (419832).

2^2861044 is an apocalyptic number.

It is an amenable number.

2861044 is a deficient number, since it is larger than the sum of its proper divisors (2176940).

2861044 is a wasteful number, since it uses less digits than its factorization.

2861044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4454 (or 4452 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 2861044 is about 1691.4620894362. The cubic root of 2861044 is about 141.9628944906.

The spelling of 2861044 in words is "two million, eight hundred sixty-one thousand, forty-four".