2947291 has 2 divisors, whose sum is σ = 2947292. Its totient is φ = 2947290.

The previous prime is 2947283. The next prime is 2947331. The reversal of 2947291 is 1927492.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2947291 - 2³ = 2947283 is a prime.

It is not a weakly prime, because it can be changed into another prime (2947211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1473645 + 1473646.

It is an arithmetic number, because the mean of its divisors is an integer number (1473646).

2^2947291 is an apocalyptic number.

2947291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2947291 is an equidigital number, since it uses as much as digits as its factorization.

2947291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 34.

The square root of 2947291 is about 1716.7676022106. The cubic root of 2947291 is about 143.3752998922.

The spelling of 2947291 in words is "two million, nine hundred forty-seven thousand, two hundred ninety-one".