2881837 has 12 divisors (see below), whose sum is σ = 3390816. Its totient is φ = 2441880.

The previous prime is 2881799. The next prime is 2881859. The reversal of 2881837 is 7381882.

It is not a de Polignac number, because 2881837 - 2⁷ = 2881709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2881796 and 2881805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2881867) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4762 + ... + 5332.

It is an arithmetic number, because the mean of its divisors is an integer number (282568).

2^2881837 is an apocalyptic number.

It is an amenable number.

2881837 is a deficient number, since it is larger than the sum of its proper divisors (508979).

2881837 is a wasteful number, since it uses less digits than its factorization.

2881837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688 (or 681 counting only the distinct ones).

The product of its digits is 21504, while the sum is 37.

The square root of 2881837 is about 1697.5974198849. The cubic root of 2881837 is about 142.3059758104.

The spelling of 2881837 in words is "two million, eight hundred eighty-one thousand, eight hundred thirty-seven".