3660993 has 12 divisors (see below), whose sum is σ = 6043648. Its totient is φ = 2091960.

The previous prime is 3660961. The next prime is 3661019. The reversal of 3660993 is 3990663.

It is not a de Polignac number, because 3660993 - 2⁵ = 3660961 is a prime.

It is a Duffinian number.

It is a Curzon number.

3660993 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3660913) 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 11 ways as a sum of consecutive naturals, for example, 28993 + ... + 29118.

Almost surely, 2^3660993 is an apocalyptic number.

It is an amenable number.

3660993 is a deficient number, since it is larger than the sum of its proper divisors (2382655).

3660993 is a wasteful number, since it uses less digits than its factorization.

3660993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58124 (or 58121 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 36.

The square root of 3660993 is about 1913.3721540777. The cubic root of 3660993 is about 154.1225903053.

The spelling of 3660993 in words is "three million, six hundred sixty thousand, nine hundred ninety-three".