4922857 has 4 divisors (see below), whose sum is σ = 4978260. Its totient is φ = 4867456.

The previous prime is 4922807. The next prime is 4922867. The reversal of 4922857 is 7582294.

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 2903616 + 2019241 = 1704^2 + 1421^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4922857 is a prime.

It is a d-powerful number, because it can be written as 4⁷ + 9⁵ + 2¹⁸ + 2²² + 8 + 5⁸ + 7³ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4922807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27568 + ... + 27745.

It is an arithmetic number, because the mean of its divisors is an integer number (1244565).

Almost surely, 2^4922857 is an apocalyptic number.

It is an amenable number.

4922857 is a deficient number, since it is larger than the sum of its proper divisors (55403).

4922857 is an equidigital number, since it uses as much as digits as its factorization.

4922857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55402.

The product of its digits is 40320, while the sum is 37.

The square root of 4922857 is about 2218.7512253518. The cubic root of 4922857 is about 170.1136149397.

The spelling of 4922857 in words is "four million, nine hundred twenty-two thousand, eight hundred fifty-seven".