4857385 has 8 divisors (see below), whose sum is σ = 6277320. Its totient is φ = 3586944.

The previous prime is 4857373. The next prime is 4857389. The reversal of 4857385 is 5837584.

It can be written as a sum of positive squares in 4 ways, for example, as 34969 + 4822416 = 187^2 + 2196^2 .

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 4857385 - 2¹⁹ = 4333097 is a prime.

4857385 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4857389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37300 + ... + 37429.

It is an arithmetic number, because the mean of its divisors is an integer number (784665).

Almost surely, 2^4857385 is an apocalyptic number.

It is an amenable number.

4857385 is a deficient number, since it is larger than the sum of its proper divisors (1419935).

4857385 is a wasteful number, since it uses less digits than its factorization.

4857385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74747.

The product of its digits is 134400, while the sum is 40.

The square root of 4857385 is about 2203.9475946583. The cubic root of 4857385 is about 169.3560993874.

The spelling of 4857385 in words is "four million, eight hundred fifty-seven thousand, three hundred eighty-five".