2845949 has 2 divisors, whose sum is σ = 2845950. Its totient is φ = 2845948.

The previous prime is 2845907. The next prime is 2845963. The reversal of 2845949 is 9495482.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2839225 + 6724 = 1685^2 + 82^2 .

It is a cyclic number.

It is not a de Polignac number, because 2845949 - 2⁸ = 2845693 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2845979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1422974 + 1422975.

It is an arithmetic number, because the mean of its divisors is an integer number (1422975).

2^2845949 is an apocalyptic number.

It is an amenable number.

2845949 is a deficient number, since it is larger than the sum of its proper divisors (1).

2845949 is an equidigital number, since it uses as much as digits as its factorization.

2845949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 41.

The square root of 2845949 is about 1686.9940723073. The cubic root of 2845949 is about 141.7127865218.

The spelling of 2845949 in words is "two million, eight hundred forty-five thousand, nine hundred forty-nine".