2907249 has 4 divisors (see below), whose sum is σ = 3876336. Its totient is φ = 1938164.

The previous prime is 2907239. The next prime is 2907257. The reversal of 2907249 is 9427092.

2907249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2907249 - 2⁵ = 2907217 is a prime.

It is a D-number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2907239) 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 3 ways as a sum of consecutive naturals, for example, 484539 + ... + 484544.

It is an arithmetic number, because the mean of its divisors is an integer number (969084).

2^2907249 is an apocalyptic number.

It is an amenable number.

2907249 is a deficient number, since it is larger than the sum of its proper divisors (969087).

2907249 is an equidigital number, since it uses as much as digits as its factorization.

2907249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969086.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 2907249 is about 1705.0656878842. The cubic root of 2907249 is about 142.7230363857.

The spelling of 2907249 in words is "two million, nine hundred seven thousand, two hundred forty-nine".