2799947 has 2 divisors, whose sum is σ = 2799948. Its totient is φ = 2799946.

The previous prime is 2799941. The next prime is 2799959. The reversal of 2799947 is 7499972.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2799947 - 2¹⁰ = 2798923 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2799941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1399973 + 1399974.

It is an arithmetic number, because the mean of its divisors is an integer number (1399974).

2^2799947 is an apocalyptic number.

2799947 is a deficient number, since it is larger than the sum of its proper divisors (1).

2799947 is an equidigital number, since it uses as much as digits as its factorization.

2799947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 285768, while the sum is 47.

The square root of 2799947 is about 1673.3042162141. The cubic root of 2799947 is about 140.9450853337.

The spelling of 2799947 in words is "two million, seven hundred ninety-nine thousand, nine hundred forty-seven".