2081837 has 8 divisors (see below), whose sum is σ = 2221632. Its totient is φ = 1944000.

The previous prime is 2081831. The next prime is 2081843. The reversal of 2081837 is 7381802.

It is an interprime number because it is at equal distance from previous prime (2081831) and next prime (2081843).

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 2081837 - 2⁸ = 2081581 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 (2081831) 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, 2162 + ... + 2972.

It is an arithmetic number, because the mean of its divisors is an integer number (277704).

2^2081837 is an apocalyptic number.

It is an amenable number.

2081837 is a deficient number, since it is larger than the sum of its proper divisors (139795).

2081837 is a wasteful number, since it uses less digits than its factorization.

2081837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 2081837 is about 1442.8572347949. The cubic root of 2081837 is about 127.6876539594.

The spelling of 2081837 in words is "two million, eighty-one thousand, eight hundred thirty-seven".