4291857 has 12 divisors (see below), whose sum is σ = 6399744. Its totient is φ = 2768760.

The previous prime is 4291843. The next prime is 4291867. The reversal of 4291857 is 7581924.

It is not a de Polignac number, because 4291857 - 2⁴ = 4291841 is a prime.

4291857 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4291867) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7413 + ... + 7970.

It is an arithmetic number, because the mean of its divisors is an integer number (533312).

Almost surely, 2^4291857 is an apocalyptic number.

It is an amenable number.

4291857 is a deficient number, since it is larger than the sum of its proper divisors (2107887).

4291857 is a wasteful number, since it uses less digits than its factorization.

4291857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15420 (or 15417 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 4291857 is about 2071.6797532437. The cubic root of 4291857 is about 162.5106202132.

The spelling of 4291857 in words is "four million, two hundred ninety-one thousand, eight hundred fifty-seven".