2113859 has 8 divisors (see below), whose sum is σ = 2380800. Its totient is φ = 1859400.

The previous prime is 2113843. The next prime is 2113873. The reversal of 2113859 is 9583112.

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 2113859 - 2⁴ = 2113843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2113819) 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, 2759 + ... + 3440.

It is an arithmetic number, because the mean of its divisors is an integer number (297600).

2^2113859 is an apocalyptic number.

2113859 is a deficient number, since it is larger than the sum of its proper divisors (266941).

2113859 is a wasteful number, since it uses less digits than its factorization.

2113859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6241.

The product of its digits is 2160, while the sum is 29.

The square root of 2113859 is about 1453.9116204226. The cubic root of 2113859 is about 128.3390061397.

The spelling of 2113859 in words is "two million, one hundred thirteen thousand, eight hundred fifty-nine".