2081206 has 8 divisors (see below), whose sum is σ = 3153024. Its totient is φ = 1030200.

The previous prime is 2081171. The next prime is 2081237. The reversal of 2081206 is 6021802.

It is a happy number.

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

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4950 + ... + 5353.

It is an arithmetic number, because the mean of its divisors is an integer number (394128).

2^2081206 is an apocalyptic number.

2081206 is a deficient number, since it is larger than the sum of its proper divisors (1071818).

2081206 is a wasteful number, since it uses less digits than its factorization.

2081206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10406.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 2081206 is about 1442.6385548709. The cubic root of 2081206 is about 127.6747520445.

The spelling of 2081206 in words is "two million, eighty-one thousand, two hundred six".