3660539 has 4 divisors (see below), whose sum is σ = 3666624. Its totient is φ = 3654456.

The previous prime is 3660523. The next prime is 3660541. The reversal of 3660539 is 9350663.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3660539 - 2⁴ = 3660523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3660739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2027 + ... + 3380.

It is an arithmetic number, because the mean of its divisors is an integer number (916656).

Almost surely, 2^3660539 is an apocalyptic number.

3660539 is a deficient number, since it is larger than the sum of its proper divisors (6085).

3660539 is an equidigital number, since it uses as much as digits as its factorization.

3660539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6084.

The product of its (nonzero) digits is 14580, while the sum is 32.

The square root of 3660539 is about 1913.2535116915. The cubic root of 3660539 is about 154.1162191242.

The spelling of 3660539 in words is "three million, six hundred sixty thousand, five hundred thirty-nine".