4857557 has 8 divisors (see below), whose sum is σ = 5006232. Its totient is φ = 4710400.

The previous prime is 4857551. The next prime is 4857569. The reversal of 4857557 is 7557584.

It can be written as a sum of positive squares in 4 ways, for example, as 568516 + 4289041 = 754^2 + 2071^2 .

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 4857557 - 2¹² = 4853461 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a d-powerful number, because it can be written as 4³ + 8⁵ + 5⁷ + 7⁵ + 5⁹ + 5⁹ + 7⁷ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4857551) 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, 10307 + ... + 10767.

It is an arithmetic number, because the mean of its divisors is an integer number (625779).

Almost surely, 2^4857557 is an apocalyptic number.

It is an amenable number.

4857557 is a deficient number, since it is larger than the sum of its proper divisors (148675).

4857557 is a wasteful number, since it uses less digits than its factorization.

4857557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759.

The product of its digits is 196000, while the sum is 41.

The square root of 4857557 is about 2203.9866152044. The cubic root of 4857557 is about 169.3580983303.

The spelling of 4857557 in words is "four million, eight hundred fifty-seven thousand, five hundred fifty-seven".