4942857 has 8 divisors (see below), whose sum is σ = 6803200. Its totient is φ = 3188880.

The previous prime is 4942811. The next prime is 4942877. The reversal of 4942857 is 7582494.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4942857 - 2⁸ = 4942601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4942877) 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, 26482 + ... + 26667.

It is an arithmetic number, because the mean of its divisors is an integer number (850400).

Almost surely, 2^4942857 is an apocalyptic number.

It is an amenable number.

4942857 is a deficient number, since it is larger than the sum of its proper divisors (1860343).

4942857 is a wasteful number, since it uses less digits than its factorization.

4942857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53183.

The product of its digits is 80640, while the sum is 39.

The square root of 4942857 is about 2223.2536967247. The cubic root of 4942857 is about 170.3436761434.

The spelling of 4942857 in words is "four million, nine hundred forty-two thousand, eight hundred fifty-seven".