4394665 has 8 divisors (see below), whose sum is σ = 5753088. Its totient is φ = 3196080.

The previous prime is 4394651. The next prime is 4394717. The reversal of 4394665 is 5664934.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4394665 - 2¹⁵ = 4361897 is a prime.

It is a d-powerful number, because it can be written as 4⁸ + 3⁷ + 9² + 4¹¹ + 6⁵ + 6⁶ + 5⁷ .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39897 + ... + 40006.

It is an arithmetic number, because the mean of its divisors is an integer number (719136).

Almost surely, 2^4394665 is an apocalyptic number.

It is an amenable number.

4394665 is a deficient number, since it is larger than the sum of its proper divisors (1358423).

4394665 is a wasteful number, since it uses less digits than its factorization.

4394665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79919.

The product of its digits is 77760, while the sum is 37.

The square root of 4394665 is about 2096.3456298998. The cubic root of 4394665 is about 163.7979988654.

The spelling of 4394665 in words is "four million, three hundred ninety-four thousand, six hundred sixty-five".