4398000685 has 32 divisors (see below), whose sum is σ = 5801090400. Its totient is φ = 3180822528.

The previous prime is 4398000679. The next prime is 4398000697. The reversal of 4398000685 is 5860008934.

4398000685 = 46893² + 46894².

It can be written as a sum of positive squares in 16 ways, for example, as 637613001 + 3760387684 = 25251^2 + 61322^2 .

It is not a de Polignac number, because 4398000685 - 2¹⁷ = 4397869613 is a prime.

It is a congruent 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, 3613197 + ... + 3614413.

It is an arithmetic number, because the mean of its divisors is an integer number (181284075).

Almost surely, 2^4398000685 is an apocalyptic number.

4398000685 is the 46894-th centered square number.

It is an amenable number.

4398000685 is a deficient number, since it is larger than the sum of its proper divisors (1403089715).

4398000685 is a wasteful number, since it uses less digits than its factorization.

4398000685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2337.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 4398000685 is about 66317.4236909125. The cubic root of 4398000685 is about 1638.3943094622.

The spelling of 4398000685 in words is "four billion, three hundred ninety-eight million, six hundred eighty-five", and thus it is an aban number.