6634949 has 2 divisors, whose sum is σ = 6634950. Its totient is φ = 6634948.

The previous prime is 6634931. The next prime is 6634967. The reversal of 6634949 is 9494366.

It is a balanced prime because it is at equal distance from previous prime (6634931) and next prime (6634967).

It can be written as a sum of positive squares in only one way, i.e., 6466849 + 168100 = 2543^2 + 410^2 .

It is a cyclic number.

It is not a de Polignac number, because 6634949 - 2¹² = 6630853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6634049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3317474 + 3317475.

It is an arithmetic number, because the mean of its divisors is an integer number (3317475).

Almost surely, 2^6634949 is an apocalyptic number.

It is an amenable number.

6634949 is a deficient number, since it is larger than the sum of its proper divisors (1).

6634949 is an equidigital number, since it uses as much as digits as its factorization.

6634949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 41.

The square root of 6634949 is about 2575.8394748120. The cubic root of 6634949 is about 187.9082565042.

The spelling of 6634949 in words is "six million, six hundred thirty-four thousand, nine hundred forty-nine".