2985949 has 2 divisors, whose sum is σ = 2985950. Its totient is φ = 2985948.

The previous prime is 2985947. The next prime is 2985953. The reversal of 2985949 is 9495892.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2229049 + 756900 = 1493^2 + 870^2 .

It is a cyclic number.

It is not a de Polignac number, because 2985949 - 2¹ = 2985947 is a prime.

Together with 2985947, it forms a pair of twin primes.

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 2985899 and 2985908.

It is a congruent number.

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, 1492974 + 1492975.

It is an arithmetic number, because the mean of its divisors is an integer number (1492975).

2^2985949 is an apocalyptic number.

It is an amenable number.

2985949 is a deficient number, since it is larger than the sum of its proper divisors (1).

2985949 is an equidigital number, since it uses as much as digits as its factorization.

2985949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 46.

The square root of 2985949 is about 1727.9898726555. The cubic root of 2985949 is about 143.9994373692. Note that the first 3 decimals are identical.

The spelling of 2985949 in words is "two million, nine hundred eighty-five thousand, nine hundred forty-nine".