2082861 has 16 divisors (see below), whose sum is σ = 3366720. Its totient is φ = 1262160.

The previous prime is 2082853. The next prime is 2082863. The reversal of 2082861 is 1682802.

It is not a de Polignac number, because 2082861 - 2³ = 2082853 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 (2082863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3210 + ... + 3803.

It is an arithmetic number, because the mean of its divisors is an integer number (210420).

2^2082861 is an apocalyptic number.

It is an amenable number.

2082861 is a deficient number, since it is larger than the sum of its proper divisors (1283859).

2082861 is a wasteful number, since it uses less digits than its factorization.

2082861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7033 (or 7027 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 2082861 is about 1443.2120426327. The cubic root of 2082861 is about 127.7085859097.

The spelling of 2082861 in words is "two million, eighty-two thousand, eight hundred sixty-one".