2985947 has 2 divisors, whose sum is σ = 2985948. Its totient is φ = 2985946.

The previous prime is 2985943. The next prime is 2985949. The reversal of 2985947 is 7495892.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2985947 - 2² = 2985943 is a prime.

Together with 2985949, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2985898 and 2985907.

It is not a weakly prime, because it can be changed into another prime (2985943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1492973 + 1492974.

It is an arithmetic number, because the mean of its divisors is an integer number (1492974).

2^2985947 is an apocalyptic number.

2985947 is a deficient number, since it is larger than the sum of its proper divisors (1).

2985947 is an equidigital number, since it uses as much as digits as its factorization.

2985947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 44.

The square root of 2985947 is about 1727.9892939483. The cubic root of 2985947 is about 143.9994052187. Note that the first 3 decimals are identical.

The spelling of 2985947 in words is "two million, nine hundred eighty-five thousand, nine hundred forty-seven".