4394606085 has 24 divisors (see below), whose sum is σ = 7621828344. Its totient is φ = 2342401920.

The previous prime is 4394606053. The next prime is 4394606093. The reversal of 4394606085 is 5806064934.

4394606085 is a `hidden beast` number, since 4 + 39 + 4 + 6 + 0 + 608 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 177662241 + 4216943844 = 13329^2 + 64938^2 .

It is not a de Polignac number, because 4394606085 - 2⁵ = 4394606053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 4394606085.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50299 + ... + 106391.

It is an arithmetic number, because the mean of its divisors is an integer number (317576181).

Almost surely, 2^4394606085 is an apocalyptic number.

4394606085 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4394606085 is a deficient number, since it is larger than the sum of its proper divisors (3227222259).

4394606085 is a wasteful number, since it uses less digits than its factorization.

4394606085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57845 (or 57842 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The square root of 4394606085 is about 66291.8251747529. The cubic root of 4394606085 is about 1637.9726690194.

The spelling of 4394606085 in words is "four billion, three hundred ninety-four million, six hundred six thousand, eighty-five".