3668387 has 4 divisors (see below), whose sum is σ = 3861480. Its totient is φ = 3475296.

The previous prime is 3668383. The next prime is 3668389. The reversal of 3668387 is 7838663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7838663 = 7 ⋅1119809.

It is a cyclic number.

It is not a de Polignac number, because 3668387 - 2² = 3668383 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (3668381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96518 + ... + 96555.

It is an arithmetic number, because the mean of its divisors is an integer number (965370).

Almost surely, 2^3668387 is an apocalyptic number.

3668387 is a deficient number, since it is larger than the sum of its proper divisors (193093).

3668387 is a wasteful number, since it uses less digits than its factorization.

3668387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193092.

The product of its digits is 145152, while the sum is 41.

The square root of 3668387 is about 1915.3033702262. The cubic root of 3668387 is about 154.2262794865.

The spelling of 3668387 in words is "three million, six hundred sixty-eight thousand, three hundred eighty-seven".