3681652 has 24 divisors (see below), whose sum is σ = 7017192. Its totient is φ = 1680000.

The previous prime is 3681619. The next prime is 3681683. The reversal of 3681652 is 2561863.

3681652 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 1503076 + 2178576 = 1226^2 + 1476^2 .

It is a super-2 number, since 2×3681652² = 27109122898208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 4902 + ... + 5602.

It is an arithmetic number, because the mean of its divisors is an integer number (292383).

Almost surely, 2^3681652 is an apocalyptic number.

It is an amenable number.

3681652 is a deficient number, since it is larger than the sum of its proper divisors (3335540).

3681652 is a wasteful number, since it uses less digits than its factorization.

3681652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819 (or 817 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 3681652 is about 1918.7631432775. The cubic root of 3681652 is about 154.4119515210.

The spelling of 3681652 in words is "three million, six hundred eighty-one thousand, six hundred fifty-two".