2009312 has 12 divisors (see below), whose sum is σ = 3955896. Its totient is φ = 1004640.

The previous prime is 2009311. The next prime is 2009317. The reversal of 2009312 is 2139002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2009311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31364 + ... + 31427.

It is an arithmetic number, because the mean of its divisors is an integer number (329658).

2^2009312 is an apocalyptic number.

It is an amenable number.

2009312 is a deficient number, since it is larger than the sum of its proper divisors (1946584).

2009312 is an equidigital number, since it uses as much as digits as its factorization.

2009312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62801 (or 62793 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 2009312 is about 1417.5020282172. The cubic root of 2009312 is about 126.1873420413.

The spelling of 2009312 in words is "two million, nine thousand, three hundred twelve".