3680249 has 2 divisors, whose sum is σ = 3680250. Its totient is φ = 3680248.

The previous prime is 3680213. The next prime is 3680263. The reversal of 3680249 is 9420863.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2155024 + 1525225 = 1468^2 + 1235^2 .

It is an emirp because it is prime and its reverse (9420863) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3680249 - 2⁸ = 3679993 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3680269) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1840124 + 1840125.

It is an arithmetic number, because the mean of its divisors is an integer number (1840125).

Almost surely, 2^3680249 is an apocalyptic number.

It is an amenable number.

3680249 is a deficient number, since it is larger than the sum of its proper divisors (1).

3680249 is an equidigital number, since it uses as much as digits as its factorization.

3680249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 3680249 is about 1918.3975083387. The cubic root of 3680249 is about 154.3923346486.

The spelling of 3680249 in words is "three million, six hundred eighty thousand, two hundred forty-nine".