3049649 has 2 divisors, whose sum is σ = 3049650. Its totient is φ = 3049648.

The previous prime is 3049643. The next prime is 3049661. The reversal of 3049649 is 9469403.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3045025 + 4624 = 1745^2 + 68^2 .

It is an emirp because it is prime and its reverse (9469403) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3049649 - 2²⁰ = 2001073 is a prime.

It is not a weakly prime, because it can be changed into another prime (3049643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1524824 + 1524825.

It is an arithmetic number, because the mean of its divisors is an integer number (1524825).

Almost surely, 2^3049649 is an apocalyptic number.

It is an amenable number.

3049649 is a deficient number, since it is larger than the sum of its proper divisors (1).

3049649 is an equidigital number, since it uses as much as digits as its factorization.

3049649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 3049649 is about 1746.3244257583. The cubic root of 3049649 is about 145.0162328240.

The spelling of 3049649 in words is "three million, forty-nine thousand, six hundred forty-nine".