3736813 has 2 divisors, whose sum is σ = 3736814. Its totient is φ = 3736812.

The previous prime is 3736807. The next prime is 3736823. The reversal of 3736813 is 3186373.

3736813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3736489 + 324 = 1933^2 + 18^2 .

It is an emirp because it is prime and its reverse (3186373) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3736813 - 2⁹ = 3736301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3736823) 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, 1868406 + 1868407.

It is an arithmetic number, because the mean of its divisors is an integer number (1868407).

Almost surely, 2^3736813 is an apocalyptic number.

It is an amenable number.

3736813 is a deficient number, since it is larger than the sum of its proper divisors (1).

3736813 is an equidigital number, since it uses as much as digits as its factorization.

3736813 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 31.

The square root of 3736813 is about 1933.0838057363. The cubic root of 3736813 is about 155.1792999680.

The spelling of 3736813 in words is "three million, seven hundred thirty-six thousand, eight hundred thirteen".