3681488 has 20 divisors (see below), whose sum is σ = 7300128. Its totient is φ = 1797600.

The previous prime is 3681487. The next prime is 3681499. The reversal of 3681488 is 8841863.

3681488 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3681481) 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, 1988 + ... + 3363.

Almost surely, 2^3681488 is an apocalyptic number.

It is an amenable number.

3681488 is a deficient number, since it is larger than the sum of its proper divisors (3618640).

3681488 is a wasteful number, since it uses less digits than its factorization.

3681488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5402 (or 5396 counting only the distinct ones).

The product of its digits is 36864, while the sum is 38.

The square root of 3681488 is about 1918.7204069379. The cubic root of 3681488 is about 154.4096587155.

The spelling of 3681488 in words is "three million, six hundred eighty-one thousand, four hundred eighty-eight".