2917291 has 8 divisors (see below), whose sum is σ = 3155600. Its totient is φ = 2680992.

The previous prime is 2917289. The next prime is 2917303. The reversal of 2917291 is 1927192.

2917291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2917291 - 2¹ = 2917289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2917261) 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 7 ways as a sum of consecutive naturals, for example, 4216 + ... + 4858.

It is an arithmetic number, because the mean of its divisors is an integer number (394450).

2^2917291 is an apocalyptic number.

2917291 is a deficient number, since it is larger than the sum of its proper divisors (238309).

2917291 is a wasteful number, since it uses less digits than its factorization.

2917291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005.

The product of its digits is 2268, while the sum is 31.

The square root of 2917291 is about 1708.0079039630. The cubic root of 2917291 is about 142.8871752574.

Subtracting from 2917291 its reverse (1927192), we obtain a palindrome (990099).

The spelling of 2917291 in words is "two million, nine hundred seventeen thousand, two hundred ninety-one".