3668889 has 32 divisors (see below), whose sum is σ = 6082560. Its totient is φ = 1919232.

The previous prime is 3668887. The next prime is 3668893. The reversal of 3668889 is 9888663.

It is not a de Polignac number, because 3668889 - 2¹ = 3668887 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (3668887) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15232 + ... + 15470.

It is an arithmetic number, because the mean of its divisors is an integer number (190080).

Almost surely, 2^3668889 is an apocalyptic number.

It is an amenable number.

3668889 is a deficient number, since it is larger than the sum of its proper divisors (2413671).

3668889 is a wasteful number, since it uses less digits than its factorization.

3668889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309.

The product of its digits is 497664, while the sum is 48.

The square root of 3668889 is about 1915.4344154786. The cubic root of 3668889 is about 154.2333141914.

The spelling of 3668889 in words is "three million, six hundred sixty-eight thousand, eight hundred eighty-nine".