3687241 has 2 divisors, whose sum is σ = 3687242. Its totient is φ = 3687240.

The previous prime is 3687239. The next prime is 3687247. The reversal of 3687241 is 1427863.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3686400 + 841 = 1920^2 + 29^2 .

It is a cyclic number.

It is not a de Polignac number, because 3687241 - 2¹ = 3687239 is a prime.

Together with 3687239, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3687247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1843620 + 1843621.

It is an arithmetic number, because the mean of its divisors is an integer number (1843621).

Almost surely, 2^3687241 is an apocalyptic number.

It is an amenable number.

3687241 is a deficient number, since it is larger than the sum of its proper divisors (1).

3687241 is an equidigital number, since it uses as much as digits as its factorization.

3687241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 31.

The square root of 3687241 is about 1920.2189979271. The cubic root of 3687241 is about 154.4900479899.

The spelling of 3687241 in words is "three million, six hundred eighty-seven thousand, two hundred forty-one".