10043209 has 16 divisors (see below), whose sum is σ = 11880000. Its totient is φ = 8386560.

The previous prime is 10043171. The next prime is 10043219. The reversal of 10043209 is 90234001.

It is a cyclic number.

It is not a de Polignac number, because 10043209 - 2⁷ = 10043081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10043219) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 7417 + ... + 8665.

It is an arithmetic number, because the mean of its divisors is an integer number (742500).

Almost surely, 2^10043209 is an apocalyptic number.

It is an amenable number.

10043209 is a deficient number, since it is larger than the sum of its proper divisors (1836791).

10043209 is a wasteful number, since it uses less digits than its factorization.

10043209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 10043209 is about 3169.1022388052. The cubic root of 10043209 is about 215.7533263716.

The spelling of 10043209 in words is "ten million, forty-three thousand, two hundred nine".