3438637 has 2 divisors, whose sum is σ = 3438638. Its totient is φ = 3438636.

The previous prime is 3438593. The next prime is 3438647. The reversal of 3438637 is 7368343.

It is a happy number.

3438637 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 can be written as a sum of positive squares in only one way, i.e., 2653641 + 784996 = 1629^2 + 886^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3438637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3438647) 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, 1719318 + 1719319.

It is an arithmetic number, because the mean of its divisors is an integer number (1719319).

Almost surely, 2^3438637 is an apocalyptic number.

It is an amenable number.

3438637 is a deficient number, since it is larger than the sum of its proper divisors (1).

3438637 is an equidigital number, since it uses as much as digits as its factorization.

3438637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 34.

The square root of 3438637 is about 1854.3562225204. The cubic root of 3438637 is about 150.9369062313.

The spelling of 3438637 in words is "three million, four hundred thirty-eight thousand, six hundred thirty-seven".