4394065 has 8 divisors (see below), whose sum is σ = 5678568. Its totient is φ = 3244800.

The previous prime is 4394063. The next prime is 4394099. The reversal of 4394065 is 5604934.

It can be written as a sum of positive squares in 4 ways, for example, as 1067089 + 3326976 = 1033^2 + 1824^2 .

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

It is not a de Polignac number, because 4394065 - 2¹ = 4394063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4394063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33736 + ... + 33865.

It is an arithmetic number, because the mean of its divisors is an integer number (709821).

Almost surely, 2^4394065 is an apocalyptic number.

It is an amenable number.

4394065 is a deficient number, since it is larger than the sum of its proper divisors (1284503).

4394065 is a wasteful number, since it uses less digits than its factorization.

4394065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67619.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 4394065 is about 2096.2025188421. The cubic root of 4394065 is about 163.7905441240.

Adding to 4394065 its reverse (5604934), we get a palindrome (9998999).

It can be divided in two parts, 43940 and 65, that multiplied together give a square (2856100 = 1690²).

The spelling of 4394065 in words is "four million, three hundred ninety-four thousand, sixty-five".