2861447 has 2 divisors, whose sum is σ = 2861448. Its totient is φ = 2861446.

The previous prime is 2861399. The next prime is 2861461. The reversal of 2861447 is 7441682.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2861447 - 2¹⁶ = 2795911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2861497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1430723 + 1430724.

It is an arithmetic number, because the mean of its divisors is an integer number (1430724).

2^2861447 is an apocalyptic number.

2861447 is a deficient number, since it is larger than the sum of its proper divisors (1).

2861447 is an equidigital number, since it uses as much as digits as its factorization.

2861447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10752, while the sum is 32.

The square root of 2861447 is about 1691.5812129484. The cubic root of 2861447 is about 141.9695596987.

The spelling of 2861447 in words is "two million, eight hundred sixty-one thousand, four hundred forty-seven".