4444257 has 8 divisors (see below), whose sum is σ = 5980480. Its totient is φ = 2935440.

The previous prime is 4444241. The next prime is 4444261. The reversal of 4444257 is 7524444.

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

It is not a de Polignac number, because 4444257 - 2⁴ = 4444241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4444207) 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, 6469 + ... + 7122.

It is an arithmetic number, because the mean of its divisors is an integer number (747560).

Almost surely, 2^4444257 is an apocalyptic number.

It is an amenable number.

4444257 is a deficient number, since it is larger than the sum of its proper divisors (1536223).

4444257 is a wasteful number, since it uses less digits than its factorization.

4444257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13703.

The product of its digits is 17920, while the sum is 30.

The square root of 4444257 is about 2108.1406499567. The cubic root of 4444257 is about 164.4118268674.

The spelling of 4444257 in words is "four million, four hundred forty-four thousand, two hundred fifty-seven".