4068949 has 2 divisors, whose sum is σ = 4068950. Its totient is φ = 4068948.

The previous prime is 4068943. The next prime is 4068959. The reversal of 4068949 is 9498604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3928324 + 140625 = 1982^2 + 375^2 .

It is a cyclic number.

It is not a de Polignac number, because 4068949 - 2¹¹ = 4066901 is a prime.

4068949 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4068943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2034474 + 2034475.

It is an arithmetic number, because the mean of its divisors is an integer number (2034475).

Almost surely, 2^4068949 is an apocalyptic number.

It is an amenable number.

4068949 is a deficient number, since it is larger than the sum of its proper divisors (1).

4068949 is an equidigital number, since it uses as much as digits as its factorization.

4068949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 4068949 is about 2017.1636026857. The cubic root of 4068949 is about 159.6469951828.

The spelling of 4068949 in words is "four million, sixty-eight thousand, nine hundred forty-nine".