2009193 has 16 divisors (see below), whose sum is σ = 2856000. Its totient is φ = 1252800.

The previous prime is 2009191. The next prime is 2009209. The reversal of 2009193 is 3919002.

It is a happy number.

It is not a de Polignac number, because 2009193 - 2¹ = 2009191 is a prime.

It is a super-2 number, since 2×2009193² = 8073713022498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2009191) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5583 + ... + 5931.

It is an arithmetic number, because the mean of its divisors is an integer number (178500).

2^2009193 is an apocalyptic number.

It is an amenable number.

2009193 is a deficient number, since it is larger than the sum of its proper divisors (846807).

2009193 is a wasteful number, since it uses less digits than its factorization.

2009193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 2009193 is about 1417.4600523472. The cubic root of 2009193 is about 126.1848508752.

The spelling of 2009193 in words is "two million, nine thousand, one hundred ninety-three".