3676649 has 4 divisors (see below), whose sum is σ = 3803460. Its totient is φ = 3549840.

The previous prime is 3676643. The next prime is 3676667. The reversal of 3676649 is 9466763.

It is a happy number.

3676649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1545049 + 2131600 = 1243^2 + 1460^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3676649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3676643) 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 in 3 ways as a sum of consecutive naturals, for example, 63362 + ... + 63419.

It is an arithmetic number, because the mean of its divisors is an integer number (950865).

Almost surely, 2^3676649 is an apocalyptic number.

It is an amenable number.

3676649 is a deficient number, since it is larger than the sum of its proper divisors (126811).

3676649 is a wasteful number, since it uses less digits than its factorization.

3676649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126810.

The product of its digits is 163296, while the sum is 41.

The square root of 3676649 is about 1917.4589956502. The cubic root of 3676649 is about 154.3419763047.

The spelling of 3676649 in words is "three million, six hundred seventy-six thousand, six hundred forty-nine".