2103306 has 16 divisors (see below), whose sum is σ = 4221984. Its totient is φ = 698544.

The previous prime is 2103301. The next prime is 2103307. The reversal of 2103306 is 6033012.

It is a super-2 number, since 2×2103306² = 8847792259272, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1941 + ... + 2823.

It is an arithmetic number, because the mean of its divisors is an integer number (263874).

2^2103306 is an apocalyptic number.

2103306 is an abundant number, since it is smaller than the sum of its proper divisors (2118678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2103306 is a wasteful number, since it uses less digits than its factorization.

2103306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 2103306 is about 1450.2779044032. The cubic root of 2103306 is about 128.1250811818.

Adding to 2103306 its reverse (6033012), we get a palindrome (8136318).

The spelling of 2103306 in words is "two million, one hundred three thousand, three hundred six".