2947317 has 8 divisors (see below), whose sum is σ = 3950496. Its totient is φ = 1954512.

The previous prime is 2947291. The next prime is 2947331. The reversal of 2947317 is 7137492.

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

It is not a de Polignac number, because 2947317 - 2¹⁸ = 2685173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2947117) 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, 1903 + ... + 3084.

It is an arithmetic number, because the mean of its divisors is an integer number (493812).

2^2947317 is an apocalyptic number.

It is an amenable number.

2947317 is a deficient number, since it is larger than the sum of its proper divisors (1003179).

2947317 is a wasteful number, since it uses less digits than its factorization.

2947317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5187.

The product of its digits is 10584, while the sum is 33.

The square root of 2947317 is about 1716.7751745642. The cubic root of 2947317 is about 143.3757214937.

The spelling of 2947317 in words is "two million, nine hundred forty-seven thousand, three hundred seventeen".