3602538 has 48 divisors (see below), whose sum is σ = 8443656. Its totient is φ = 1105920.

The previous prime is 3602537. The next prime is 3602549. The reversal of 3602538 is 8352063.

3602538 is a `hidden beast` number, since 3 + 602 + 53 + 8 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2169729 + 1432809 = 1473^2 + 1197^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3602537) 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 23 ways as a sum of consecutive naturals, for example, 18570 + ... + 18762.

Almost surely, 2^3602538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3602538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4221828).

3602538 is an abundant number, since it is smaller than the sum of its proper divisors (4841118).

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

3602538 is a wasteful number, since it uses less digits than its factorization.

3602538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 3602538 is about 1898.0352999879. The cubic root of 3602538 is about 153.2978945615.

It can be divided in two parts, 36025 and 38, that added together give a palindrome (36063).

The spelling of 3602538 in words is "three million, six hundred two thousand, five hundred thirty-eight".