4857457 has 4 divisors (see below), whose sum is σ = 5299056. Its totient is φ = 4415860.

The previous prime is 4857451. The next prime is 4857481. The reversal of 4857457 is 7547584.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4857457 - 2³ = 4857449 is a prime.

It is a Duffinian number.

4857457 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4857451) 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 3 ways as a sum of consecutive naturals, for example, 220783 + ... + 220804.

It is an arithmetic number, because the mean of its divisors is an integer number (1324764).

Almost surely, 2^4857457 is an apocalyptic number.

It is an amenable number.

4857457 is a deficient number, since it is larger than the sum of its proper divisors (441599).

4857457 is a wasteful number, since it uses less digits than its factorization.

4857457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441598.

The product of its digits is 156800, while the sum is 40.

The square root of 4857457 is about 2203.9639289244. The cubic root of 4857457 is about 169.3569361599.

The spelling of 4857457 in words is "four million, eight hundred fifty-seven thousand, four hundred fifty-seven".