3668587 has 16 divisors (see below), whose sum is σ = 4213440. Its totient is φ = 3169152.

The previous prime is 3668579. The next prime is 3668593. The reversal of 3668587 is 7858663.

It is a cyclic number.

It is not a de Polignac number, because 3668587 - 2³ = 3668579 is a prime.

It is a d-powerful number, because it can be written as 3⁷ + 6² + 6⁸ + 8³ + 5⁹ + 8⁵ + 7³ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3668507) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13818 + ... + 14080.

It is an arithmetic number, because the mean of its divisors is an integer number (263340).

Almost surely, 2^3668587 is an apocalyptic number.

3668587 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

3668587 is a deficient number, since it is larger than the sum of its proper divisors (544853).

3668587 is a wasteful number, since it uses less digits than its factorization.

With its successor (3668588) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (342).

3668587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342.

The product of its digits is 241920, while the sum is 43.

The square root of 3668587 is about 1915.3555805646. The cubic root of 3668587 is about 154.2290822347.

The spelling of 3668587 in words is "three million, six hundred sixty-eight thousand, five hundred eighty-seven".