2861055 has 16 divisors (see below), whose sum is σ = 5086560. Its totient is φ = 1525824.

The previous prime is 2861051. The next prime is 2861059. The reversal of 2861055 is 5501682.

It is an interprime number because it is at equal distance from previous prime (2861051) and next prime (2861059).

It is not a de Polignac number, because 2861055 - 2² = 2861051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2861051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10462 + ... + 10731.

It is an arithmetic number, because the mean of its divisors is an integer number (317910).

2^2861055 is an apocalyptic number.

2861055 is a deficient number, since it is larger than the sum of its proper divisors (2225505).

2861055 is a wasteful number, since it uses less digits than its factorization.

2861055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21207 (or 21201 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 2861055 is about 1691.4653410579. The cubic root of 2861055 is about 141.9630764277.

The spelling of 2861055 in words is "two million, eight hundred sixty-one thousand, fifty-five".