4855457 has 4 divisors (see below), whose sum is σ = 4862256. Its totient is φ = 4848660.

The previous prime is 4855391. The next prime is 4855471. The reversal of 4855457 is 7545584.

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 4855457 - 2¹⁰ = 4854433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4855457.

It is not an unprimeable number, because it can be changed into a prime (4855057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2183 + ... + 3804.

It is an arithmetic number, because the mean of its divisors is an integer number (1215564).

Almost surely, 2^4855457 is an apocalyptic number.

It is an amenable number.

4855457 is a deficient number, since it is larger than the sum of its proper divisors (6799).

4855457 is an equidigital number, since it uses as much as digits as its factorization.

4855457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6798.

The product of its digits is 112000, while the sum is 38.

The square root of 4855457 is about 2203.5101542766. The cubic root of 4855457 is about 169.3336894027. Note that the first 3 decimals are identical.

The spelling of 4855457 in words is "four million, eight hundred fifty-five thousand, four hundred fifty-seven".