4394585 has 32 divisors (see below), whose sum is σ = 6223392. Its totient is φ = 2949120.

The previous prime is 4394563. The next prime is 4394603. The reversal of 4394585 is 5854934.

4394585 = 163² + 164² + ... + 259².

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 2343961 + 2050624 = 1531^2 + 1432^2 .

It is not a de Polignac number, because 4394585 - 2¹² = 4390489 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45257 + ... + 45353.

It is an arithmetic number, because the mean of its divisors is an integer number (194481).

Almost surely, 2^4394585 is an apocalyptic number.

It is an amenable number.

4394585 is a deficient number, since it is larger than the sum of its proper divisors (1828807).

4394585 is a wasteful number, since it uses less digits than its factorization.

4394585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173.

The product of its digits is 86400, while the sum is 38.

The square root of 4394585 is about 2096.3265489899. The cubic root of 4394585 is about 163.7970049391.

The spelling of 4394585 in words is "four million, three hundred ninety-four thousand, five hundred eighty-five".