3668423 has 4 divisors (see below), whose sum is σ = 4001928. Its totient is φ = 3334920.

The previous prime is 3668419. The next prime is 3668461. The reversal of 3668423 is 3248663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3248663 = 11 ⋅295333.

It is a cyclic number.

It is not a de Polignac number, because 3668423 - 2² = 3668419 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3668423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3658423) 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, 166736 + ... + 166757.

It is an arithmetic number, because the mean of its divisors is an integer number (1000482).

Almost surely, 2^3668423 is an apocalyptic number.

3668423 is a deficient number, since it is larger than the sum of its proper divisors (333505).

3668423 is a wasteful number, since it uses less digits than its factorization.

3668423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333504.

The product of its digits is 20736, while the sum is 32.

The square root of 3668423 is about 1915.3127681922. The cubic root of 3668423 is about 154.2267839887.

The spelling of 3668423 in words is "three million, six hundred sixty-eight thousand, four hundred twenty-three".