3681503 has 8 divisors (see below), whose sum is σ = 4455072. Its totient is φ = 2969856.

The previous prime is 3681499. The next prime is 3681511. The reversal of 3681503 is 3051863.

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 3681503 - 2² = 3681499 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 (3681523) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 15350 + ... + 15587.

It is an arithmetic number, because the mean of its divisors is an integer number (556884).

Almost surely, 2^3681503 is an apocalyptic number.

3681503 is a deficient number, since it is larger than the sum of its proper divisors (773569).

3681503 is a wasteful number, since it uses less digits than its factorization.

3681503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30961.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 3681503 is about 1918.7243157890. The cubic root of 3681503 is about 154.4098684261.

The spelling of 3681503 in words is "three million, six hundred eighty-one thousand, five hundred three".