2862839 has 8 divisors (see below), whose sum is σ = 3287328. Its totient is φ = 2442240.

The previous prime is 2862829. The next prime is 2862859. The reversal of 2862839 is 9382682.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2862839 - 2¹⁶ = 2797303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2862829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 839 + ... + 2535.

It is an arithmetic number, because the mean of its divisors is an integer number (410916).

2^2862839 is an apocalyptic number.

2862839 is a deficient number, since it is larger than the sum of its proper divisors (424489).

2862839 is a wasteful number, since it uses less digits than its factorization.

2862839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945.

The product of its digits is 41472, while the sum is 38.

The square root of 2862839 is about 1691.9926122770. The cubic root of 2862839 is about 141.9925771429.

It can be divided in two parts, 286 and 2839, that added together give a 5-th power (3125 = 5⁵).

The spelling of 2862839 in words is "two million, eight hundred sixty-two thousand, eight hundred thirty-nine".