4444857 has 6 divisors (see below), whose sum is σ = 6420362. Its totient is φ = 2963232.

The previous prime is 4444829. The next prime is 4444861. The reversal of 4444857 is 7584444.

4444857 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 4247721 + 197136 = 2061^2 + 444^2 .

It is not a de Polignac number, because 4444857 - 2⁶ = 4444793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4444807) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 246928 + ... + 246945.

Almost surely, 2^4444857 is an apocalyptic number.

It is an amenable number.

4444857 is a deficient number, since it is larger than the sum of its proper divisors (1975505).

4444857 is a wasteful number, since it uses less digits than its factorization.

4444857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493879 (or 493876 counting only the distinct ones).

The product of its digits is 71680, while the sum is 36.

The square root of 4444857 is about 2108.2829506497. The cubic root of 4444857 is about 164.4192253788.

The spelling of 4444857 in words is "four million, four hundred forty-four thousand, eight hundred fifty-seven".