3676621 has 8 divisors (see below), whose sum is σ = 3977624. Its totient is φ = 3378240.

The previous prime is 3676609. The next prime is 3676637. The reversal of 3676621 is 1266763.

3676621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 13225 + 3663396 = 115^2 + 1914^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3676621 - 2⁷ = 3676493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3676721) 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 7 ways as a sum of consecutive naturals, for example, 3091 + ... + 4111.

It is an arithmetic number, because the mean of its divisors is an integer number (497203).

Almost surely, 2^3676621 is an apocalyptic number.

It is an amenable number.

3676621 is a deficient number, since it is larger than the sum of its proper divisors (301003).

3676621 is a wasteful number, since it uses less digits than its factorization.

3676621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311.

The product of its digits is 9072, while the sum is 31.

The square root of 3676621 is about 1917.4516943068. The cubic root of 3676621 is about 154.3415844999.

The spelling of 3676621 in words is "three million, six hundred seventy-six thousand, six hundred twenty-one".