3668626 has 8 divisors (see below), whose sum is σ = 5926284. Its totient is φ = 1693200.

The previous prime is 3668611. The next prime is 3668629. The reversal of 3668626 is 6268663.

It can be written as a sum of positive squares in 2 ways, for example, as 3629025 + 39601 = 1905^2 + 199^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3668629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70525 + ... + 70576.

Almost surely, 2^3668626 is an apocalyptic number.

3668626 is a deficient number, since it is larger than the sum of its proper divisors (2257658).

3668626 is a wasteful number, since it uses less digits than its factorization.

3668626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141116.

The product of its digits is 62208, while the sum is 37.

The square root of 3668626 is about 1915.3657614148. The cubic root of 3668626 is about 154.2296287587.

Adding to 3668626 its sum of digits (37), we get a palindrome (3668663).

The spelling of 3668626 in words is "three million, six hundred sixty-eight thousand, six hundred twenty-six".