4291949 has 2 divisors, whose sum is σ = 4291950. Its totient is φ = 4291948.

The previous prime is 4291943. The next prime is 4291979. The reversal of 4291949 is 9491924.

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., 3204100 + 1087849 = 1790^2 + 1043^2 .

It is a cyclic number.

It is not a de Polignac number, because 4291949 - 2⁴ = 4291933 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 (4291943) 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, 2145974 + 2145975.

It is an arithmetic number, because the mean of its divisors is an integer number (2145975).

Almost surely, 2^4291949 is an apocalyptic number.

It is an amenable number.

4291949 is a deficient number, since it is larger than the sum of its proper divisors (1).

4291949 is an equidigital number, since it uses as much as digits as its factorization.

4291949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 38.

The square root of 4291949 is about 2071.7019573288. The cubic root of 4291949 is about 162.5117813943.

The spelling of 4291949 in words is "four million, two hundred ninety-one thousand, nine hundred forty-nine".