3638103 has 12 divisors (see below), whose sum is σ = 5643000. Its totient is φ = 2078832.

The previous prime is 3638087. The next prime is 3638113. The reversal of 3638103 is 3018363.

It is not a de Polignac number, because 3638103 - 2⁴ = 3638087 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3638113) 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 11 ways as a sum of consecutive naturals, for example, 12228 + ... + 12521.

It is an arithmetic number, because the mean of its divisors is an integer number (470250).

Almost surely, 2^3638103 is an apocalyptic number.

3638103 is a deficient number, since it is larger than the sum of its proper divisors (2004897).

3638103 is a wasteful number, since it uses less digits than its factorization.

3638103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24766 (or 24759 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 3638103 is about 1907.3811889604. The cubic root of 3638103 is about 153.8007063899.

It can be divided in two parts, 3638 and 103, that added together give a triangular number (3741 = T₈₆).

The spelling of 3638103 in words is "three million, six hundred thirty-eight thousand, one hundred three".