4385405 has 8 divisors (see below), whose sum is σ = 5572152. Its totient is φ = 3301888.

The previous prime is 4385399. The next prime is 4385461. The reversal of 4385405 is 5045834.

It can be written as a sum of positive squares in 4 ways, for example, as 2374681 + 2010724 = 1541^2 + 1418^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4385405 - 2⁴ = 4385389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25712 + ... + 25881.

It is an arithmetic number, because the mean of its divisors is an integer number (696519).

Almost surely, 2^4385405 is an apocalyptic number.

It is an amenable number.

4385405 is a deficient number, since it is larger than the sum of its proper divisors (1186747).

4385405 is a wasteful number, since it uses less digits than its factorization.

4385405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51615.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 4385405 is about 2094.1358599671. The cubic root of 4385405 is about 163.6828716944.

The spelling of 4385405 in words is "four million, three hundred eighty-five thousand, four hundred five".