2137886 has 16 divisors (see below), whose sum is σ = 3422736. Its totient is φ = 998016.

The previous prime is 2137879. The next prime is 2137907. The reversal of 2137886 is 6887312.

2137886 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7580 + ... + 7856.

It is an arithmetic number, because the mean of its divisors is an integer number (213921).

2^2137886 is an apocalyptic number.

2137886 is a deficient number, since it is larger than the sum of its proper divisors (1284850).

2137886 is a wasteful number, since it uses less digits than its factorization.

2137886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523.

The product of its digits is 16128, while the sum is 35.

The square root of 2137886 is about 1462.1511549768. The cubic root of 2137886 is about 128.8234268692.

The spelling of 2137886 in words is "two million, one hundred thirty-seven thousand, eight hundred eighty-six".