4200857 has 4 divisors (see below), whose sum is σ = 4260096. Its totient is φ = 4141620.

The previous prime is 4200827. The next prime is 4200863. The reversal of 4200857 is 7580024.

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 4200857 - 2⁸ = 4200601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4200827) 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, 29513 + ... + 29654.

It is an arithmetic number, because the mean of its divisors is an integer number (1065024).

Almost surely, 2^4200857 is an apocalyptic number.

It is an amenable number.

4200857 is a deficient number, since it is larger than the sum of its proper divisors (59239).

4200857 is an equidigital number, since it uses as much as digits as its factorization.

4200857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59238.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 4200857 is about 2049.5992291177. The cubic root of 4200857 is about 161.3538377319.

The spelling of 4200857 in words is "four million, two hundred thousand, eight hundred fifty-seven".