4393669 has 4 divisors (see below), whose sum is σ = 5021344. Its totient is φ = 3765996.

The previous prime is 4393643. The next prime is 4393687. The reversal of 4393669 is 9663934.

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 4393669 - 2⁵ = 4393637 is a prime.

It is a super-2 number, since 2×4393669² = 38608654563122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4393699) 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, 313827 + ... + 313840.

It is an arithmetic number, because the mean of its divisors is an integer number (1255336).

Almost surely, 2^4393669 is an apocalyptic number.

It is an amenable number.

4393669 is a deficient number, since it is larger than the sum of its proper divisors (627675).

4393669 is an equidigital number, since it uses as much as digits as its factorization.

4393669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627674.

The product of its digits is 104976, while the sum is 40.

The square root of 4393669 is about 2096.1080601916. The cubic root of 4393669 is about 163.7856236230.

The spelling of 4393669 in words is "four million, three hundred ninety-three thousand, six hundred sixty-nine".