2115862 has 16 divisors (see below), whose sum is σ = 3785472. Its totient is φ = 867240.

The previous prime is 2115853. The next prime is 2115863. The reversal of 2115862 is 2685112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2964 + ... + 3607.

It is an arithmetic number, because the mean of its divisors is an integer number (236592).

2^2115862 is an apocalyptic number.

2115862 is a deficient number, since it is larger than the sum of its proper divisors (1669610).

2115862 is a wasteful number, since it uses less digits than its factorization.

2115862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6603.

The product of its digits is 960, while the sum is 25.

The square root of 2115862 is about 1454.6002887391. The cubic root of 2115862 is about 128.3795294792.

The spelling of 2115862 in words is "two million, one hundred fifteen thousand, eight hundred sixty-two".