2009287 has 8 divisors (see below), whose sum is σ = 2352672. Its totient is φ = 1680000.

The previous prime is 2009251. The next prime is 2009299. The reversal of 2009287 is 7829002.

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

It is not a de Polignac number, because 2009287 - 2¹⁵ = 1976519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2009387) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3214 + ... + 3787.

It is an arithmetic number, because the mean of its divisors is an integer number (294084).

2^2009287 is an apocalyptic number.

2009287 is a deficient number, since it is larger than the sum of its proper divisors (343385).

2009287 is an equidigital number, since it uses as much as digits as its factorization.

2009287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7049.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 2009287 is about 1417.4932098603. The cubic root of 2009287 is about 126.1868186952.

The spelling of 2009287 in words is "two million, nine thousand, two hundred eighty-seven".