3663393 has 4 divisors (see below), whose sum is σ = 4884528. Its totient is φ = 2442260.

The previous prime is 3663383. The next prime is 3663419. The reversal of 3663393 is 3933663.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3663393 - 2⁴ = 3663377 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (3663323) 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, 610563 + ... + 610568.

It is an arithmetic number, because the mean of its divisors is an integer number (1221132).

Almost surely, 2^3663393 is an apocalyptic number.

It is an amenable number.

3663393 is a deficient number, since it is larger than the sum of its proper divisors (1221135).

3663393 is a wasteful number, since it uses less digits than its factorization.

3663393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221134.

The product of its digits is 26244, while the sum is 33.

The square root of 3663393 is about 1913.9992163008. Note that the first 3 decimals coincide. The cubic root of 3663393 is about 154.1562618089.

The spelling of 3663393 in words is "three million, six hundred sixty-three thousand, three hundred ninety-three".