2847009 has 32 divisors (see below), whose sum is σ = 4497408. Its totient is φ = 1597200.

The previous prime is 2846989. The next prime is 2847011. The reversal of 2847009 is 9007482.

It is a de Polignac number, because none of the positive numbers 2^k-2847009 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2847059) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91824 + ... + 91854.

It is an arithmetic number, because the mean of its divisors is an integer number (140544).

2^2847009 is an apocalyptic number.

It is an amenable number.

2847009 is a deficient number, since it is larger than the sum of its proper divisors (1650399).

2847009 is a wasteful number, since it uses less digits than its factorization.

2847009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 2847009 is about 1687.3082113236. The cubic root of 2847009 is about 141.7303784168.

The spelling of 2847009 in words is "two million, eight hundred forty-seven thousand, nine".