4905949 has 2 divisors, whose sum is σ = 4905950. Its totient is φ = 4905948.

The previous prime is 4905931. The next prime is 4905973. The reversal of 4905949 is 9495094.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3583449 + 1322500 = 1893^2 + 1150^2 .

It is a cyclic number.

It is not a de Polignac number, because 4905949 - 2⁵ = 4905917 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4905149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2452974 + 2452975.

It is an arithmetic number, because the mean of its divisors is an integer number (2452975).

Almost surely, 2^4905949 is an apocalyptic number.

It is an amenable number.

4905949 is a deficient number, since it is larger than the sum of its proper divisors (1).

4905949 is an equidigital number, since it uses as much as digits as its factorization.

4905949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 4905949 is about 2214.9376966407. The cubic root of 4905949 is about 169.9186346502.

The spelling of 4905949 in words is "four million, nine hundred five thousand, nine hundred forty-nine".