3649487 has 2 divisors, whose sum is σ = 3649488. Its totient is φ = 3649486.

The previous prime is 3649469. The next prime is 3649511. The reversal of 3649487 is 7849463.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3649487 - 2¹² = 3645391 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 (3649417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1824743 + 1824744.

It is an arithmetic number, because the mean of its divisors is an integer number (1824744).

Almost surely, 2^3649487 is an apocalyptic number.

3649487 is a deficient number, since it is larger than the sum of its proper divisors (1).

3649487 is an equidigital number, since it uses as much as digits as its factorization.

3649487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 41.

The square root of 3649487 is about 1910.3630545004. The cubic root of 3649487 is about 153.9609587883.

The spelling of 3649487 in words is "three million, six hundred forty-nine thousand, four hundred eighty-seven".