4990949 has 2 divisors, whose sum is σ = 4990950. Its totient is φ = 4990948.

The previous prime is 4990933. The next prime is 4990961. The reversal of 4990949 is 9490994.

It is a happy number.

4990949 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4622500 + 368449 = 2150^2 + 607^2 .

It is a cyclic number.

It is not a de Polignac number, because 4990949 - 2⁴ = 4990933 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4990919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2495474 + 2495475.

It is an arithmetic number, because the mean of its divisors is an integer number (2495475).

Almost surely, 2^4990949 is an apocalyptic number.

It is an amenable number.

4990949 is a deficient number, since it is larger than the sum of its proper divisors (1).

4990949 is an equidigital number, since it uses as much as digits as its factorization.

4990949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 4990949 is about 2234.0431956433. The cubic root of 4990949 is about 170.8943523976.

The spelling of 4990949 in words is "four million, nine hundred ninety thousand, nine hundred forty-nine".