4423857 has 8 divisors (see below), whose sum is σ = 6009984. Its totient is φ = 2893488.

The previous prime is 4423849. The next prime is 4423871. The reversal of 4423857 is 7583244.

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

It is not a de Polignac number, because 4423857 - 2³ = 4423849 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a d-powerful number, because it can be written as 4⁴ + 4¹¹ + 2¹⁵ + 3⁵ + 8³ + 5⁷ + 7⁶ .

It is not an unprimeable number, because it can be changed into a prime (4423807) 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, 13753 + ... + 14070.

It is an arithmetic number, because the mean of its divisors is an integer number (751248).

Almost surely, 2^4423857 is an apocalyptic number.

It is an amenable number.

4423857 is a deficient number, since it is larger than the sum of its proper divisors (1586127).

4423857 is a wasteful number, since it uses less digits than its factorization.

4423857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27879.

The product of its digits is 26880, while the sum is 33.

The square root of 4423857 is about 2103.2966980433. The cubic root of 4423857 is about 164.1598802741.

The spelling of 4423857 in words is "four million, four hundred twenty-three thousand, eight hundred fifty-seven".