2109837 has 8 divisors (see below), whose sum is σ = 2910240. Its totient is φ = 1358000.

The previous prime is 2109799. The next prime is 2109841. The reversal of 2109837 is 7389012.

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 2109837 - 2¹⁴ = 2093453 is a prime.

2109837 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2109857) 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, 12039 + ... + 12212.

It is an arithmetic number, because the mean of its divisors is an integer number (363780).

2^2109837 is an apocalyptic number.

It is an amenable number.

2109837 is a deficient number, since it is larger than the sum of its proper divisors (800403).

2109837 is a wasteful number, since it uses less digits than its factorization.

2109837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24283.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 2109837 is about 1452.5277966359. The cubic root of 2109837 is about 128.2575583856.

The spelling of 2109837 in words is "two million, one hundred nine thousand, eight hundred thirty-seven".