4386385 has 8 divisors (see below), whose sum is σ = 5392296. Its totient is φ = 3423360.

The previous prime is 4386383. The next prime is 4386419. The reversal of 4386385 is 5836834.

It can be written as a sum of positive squares in 4 ways, for example, as 576081 + 3810304 = 759^2 + 1952^2 .

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

It is not a de Polignac number, because 4386385 - 2¹ = 4386383 is a prime.

It is a d-powerful number, because it can be written as 4² + 3³ + 8 + 6⁸ + 3¹² + 8⁷ + 5⁷ .

It is a Duffinian number.

4386385 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4386383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10494 + ... + 10903.

It is an arithmetic number, because the mean of its divisors is an integer number (674037).

Almost surely, 2^4386385 is an apocalyptic number.

It is an amenable number.

4386385 is a deficient number, since it is larger than the sum of its proper divisors (1005911).

4386385 is a wasteful number, since it uses less digits than its factorization.

4386385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21443.

The product of its digits is 69120, while the sum is 37.

The square root of 4386385 is about 2094.3698336254. The cubic root of 4386385 is about 163.6950634431.

The spelling of 4386385 in words is "four million, three hundred eighty-six thousand, three hundred eighty-five".