3616538 has 4 divisors (see below), whose sum is σ = 5424810. Its totient is φ = 1808268.

The previous prime is 3616537. The next prime is 3616549. The reversal of 3616538 is 8356163.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8356163 = 17 ⋅491539.

It can be written as a sum of positive squares in only one way, i.e., 3108169 + 508369 = 1763^2 + 713^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3616531) 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 as a sum of consecutive naturals, namely, 904133 + ... + 904136.

Almost surely, 2^3616538 is an apocalyptic number.

3616538 is a deficient number, since it is larger than the sum of its proper divisors (1808272).

3616538 is a wasteful number, since it uses less digits than its factorization.

3616538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1808271.

The product of its digits is 12960, while the sum is 32.

The square root of 3616538 is about 1901.7197480176. The cubic root of 3616538 is about 153.4962173733.

The spelling of 3616538 in words is "three million, six hundred sixteen thousand, five hundred thirty-eight".