4398385 has 8 divisors (see below), whose sum is σ = 5317416. Its totient is φ = 3492480.

The previous prime is 4398371. The next prime is 4398397. The reversal of 4398385 is 5838934.

It can be written as a sum of positive squares in 4 ways, for example, as 269361 + 4129024 = 519^2 + 2032^2 .

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

It is not a de Polignac number, because 4398385 - 2⁵ = 4398353 is a prime.

It is a Duffinian number.

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, 2526 + ... + 3895.

It is an arithmetic number, because the mean of its divisors is an integer number (664677).

Almost surely, 2^4398385 is an apocalyptic number.

It is an amenable number.

4398385 is a deficient number, since it is larger than the sum of its proper divisors (919031).

4398385 is a wasteful number, since it uses less digits than its factorization.

4398385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6563.

The product of its digits is 103680, while the sum is 40.

The square root of 4398385 is about 2097.2327004889. The cubic root of 4398385 is about 163.8442031235.

The spelling of 4398385 in words is "four million, three hundred ninety-eight thousand, three hundred eighty-five".