3603138 has 48 divisors (see below), whose sum is σ = 9065280. Its totient is φ = 934560.

The previous prime is 3603107. The next prime is 3603151. The reversal of 3603138 is 8313063.

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 in 23 ways as a sum of consecutive naturals, for example, 4728 + ... + 5436.

It is an arithmetic number, because the mean of its divisors is an integer number (188860).

Almost surely, 2^3603138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3603138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4532640).

3603138 is an abundant number, since it is smaller than the sum of its proper divisors (5462142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3603138 is a wasteful number, since it uses less digits than its factorization.

3603138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743 (or 732 counting only the distinct ones).

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

The square root of 3603138 is about 1898.1933515846. The cubic root of 3603138 is about 153.3064046388.

It can be divided in two parts, 3603 and 138, that added together give a triangular number (3741 = T₈₆).

The spelling of 3603138 in words is "three million, six hundred three thousand, one hundred thirty-eight".