3623668 has 6 divisors (see below), whose sum is σ = 6341426. Its totient is φ = 1811832.

The previous prime is 3623657. The next prime is 3623671. The reversal of 3623668 is 8663263.

It can be written as a sum of positive squares in only one way, i.e., 1954404 + 1669264 = 1398^2 + 1292^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 452955 + ... + 452962.

Almost surely, 2^3623668 is an apocalyptic number.

It is an amenable number.

3623668 is a deficient number, since it is larger than the sum of its proper divisors (2717758).

3623668 is a wasteful number, since it uses less digits than its factorization.

3623668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905921 (or 905919 counting only the distinct ones).

The product of its digits is 31104, while the sum is 34.

The square root of 3623668 is about 1903.5934439896. The cubic root of 3623668 is about 153.5970236873.

The spelling of 3623668 in words is "three million, six hundred twenty-three thousand, six hundred sixty-eight".