3735649 has 2 divisors, whose sum is σ = 3735650. Its totient is φ = 3735648.

The previous prime is 3735619. The next prime is 3735653. The reversal of 3735649 is 9465373.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3732624 + 3025 = 1932^2 + 55^2 .

It is a cyclic number.

It is not a de Polignac number, because 3735649 - 2⁵ = 3735617 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 3⁸ + 7⁷ + 3¹¹ + 5³ + 6⁸ + 4¹⁰ + 9² .

It is not a weakly prime, because it can be changed into another prime (3735619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1867824 + 1867825.

It is an arithmetic number, because the mean of its divisors is an integer number (1867825).

Almost surely, 2^3735649 is an apocalyptic number.

It is an amenable number.

3735649 is a deficient number, since it is larger than the sum of its proper divisors (1).

3735649 is an equidigital number, since it uses as much as digits as its factorization.

3735649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 37.

The square root of 3735649 is about 1932.7827089458. The cubic root of 3735649 is about 155.1631857495.

The spelling of 3735649 in words is "three million, seven hundred thirty-five thousand, six hundred forty-nine".