4628857 has 4 divisors (see below), whose sum is σ = 4692340. Its totient is φ = 4565376.

The previous prime is 4628851. The next prime is 4628867. The reversal of 4628857 is 7588264.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1301881 + 3326976 = 1141^2 + 1824^2 .

It is a cyclic number.

It is not a de Polignac number, because 4628857 - 2³ = 4628849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4628851) 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, 31632 + ... + 31777.

It is an arithmetic number, because the mean of its divisors is an integer number (1173085).

Almost surely, 2^4628857 is an apocalyptic number.

It is an amenable number.

4628857 is a deficient number, since it is larger than the sum of its proper divisors (63483).

4628857 is an equidigital number, since it uses as much as digits as its factorization.

4628857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63482.

The product of its digits is 107520, while the sum is 40.

The square root of 4628857 is about 2151.4778641669. The cubic root of 4628857 is about 166.6573945953.

The spelling of 4628857 in words is "four million, six hundred twenty-eight thousand, eight hundred fifty-seven".