3749939 has 2 divisors, whose sum is σ = 3749940. Its totient is φ = 3749938.

The previous prime is 3749891. The next prime is 3749947. The reversal of 3749939 is 9399473.

It is a happy number.

3749939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (9399473) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3749939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3749939.

It is not a weakly prime, because it can be changed into another prime (3749959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1874969 + 1874970.

It is an arithmetic number, because the mean of its divisors is an integer number (1874970).

Almost surely, 2^3749939 is an apocalyptic number.

3749939 is a deficient number, since it is larger than the sum of its proper divisors (1).

3749939 is an equidigital number, since it uses as much as digits as its factorization.

3749939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 183708, while the sum is 44.

The square root of 3749939 is about 1936.4759229074. The cubic root of 3749939 is about 155.3607828879.

The spelling of 3749939 in words is "three million, seven hundred forty-nine thousand, nine hundred thirty-nine".