3604987 has 4 divisors (see below), whose sum is σ = 3621096. Its totient is φ = 3588880.

The previous prime is 3604981. The next prime is 3604999. The reversal of 3604987 is 7894063.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7894063 = 19 ⋅415477.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3604987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3604981) 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 3 ways as a sum of consecutive naturals, for example, 7714 + ... + 8167.

It is an arithmetic number, because the mean of its divisors is an integer number (905274).

Almost surely, 2^3604987 is an apocalyptic number.

3604987 is a deficient number, since it is larger than the sum of its proper divisors (16109).

3604987 is a wasteful number, since it uses less digits than its factorization.

3604987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16108.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 3604987 is about 1898.6803311774. The cubic root of 3604987 is about 153.3326239203.

The spelling of 3604987 in words is "three million, six hundred four thousand, nine hundred eighty-seven".