2138006 has 8 divisors (see below), whose sum is σ = 3453744. Its totient is φ = 986760.

The previous prime is 2137999. The next prime is 2138029. The reversal of 2138006 is 6008312.

2138006 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 41090 + ... + 41141.

It is an arithmetic number, because the mean of its divisors is an integer number (431718).

2^2138006 is an apocalyptic number.

2138006 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2138006 is a deficient number, since it is larger than the sum of its proper divisors (1315738).

2138006 is a wasteful number, since it uses less digits than its factorization.

2138006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82246.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2138006 is about 1462.1921898301. The cubic root of 2138006 is about 128.8258371197.

The spelling of 2138006 in words is "two million, one hundred thirty-eight thousand, six".