2861339 has 6 divisors (see below), whose sum is σ = 3098556. Its totient is φ = 2641080.

The previous prime is 2861317. The next prime is 2861347. The reversal of 2861339 is 9331682.

It is not a de Polignac number, because 2861339 - 2²⁰ = 1812763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2861399) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8297 + ... + 8634.

It is an arithmetic number, because the mean of its divisors is an integer number (516426).

2^2861339 is an apocalyptic number.

2861339 is a deficient number, since it is larger than the sum of its proper divisors (237217).

2861339 is a wasteful number, since it uses less digits than its factorization.

2861339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16957 (or 16944 counting only the distinct ones).

The product of its digits is 7776, while the sum is 32.

The square root of 2861339 is about 1691.5492898524. The cubic root of 2861339 is about 141.9677735504.

The spelling of 2861339 in words is "two million, eight hundred sixty-one thousand, three hundred thirty-nine".