3918037 has 2 divisors, whose sum is σ = 3918038. Its totient is φ = 3918036.

The previous prime is 3918029. The next prime is 3918043. The reversal of 3918037 is 7308193.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2979076 + 938961 = 1726^2 + 969^2 .

It is a cyclic number.

It is not a de Polignac number, because 3918037 - 2³ = 3918029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3918067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1959018 + 1959019.

It is an arithmetic number, because the mean of its divisors is an integer number (1959019).

Almost surely, 2^3918037 is an apocalyptic number.

It is an amenable number.

3918037 is a deficient number, since it is larger than the sum of its proper divisors (1).

3918037 is an equidigital number, since it uses as much as digits as its factorization.

3918037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 3918037 is about 1979.4031928842. The cubic root of 3918037 is about 157.6483795273.

The spelling of 3918037 in words is "three million, nine hundred eighteen thousand, thirty-seven".