441957 has 4 divisors (see below), whose sum is σ = 589280. Its totient is φ = 294636.

The previous prime is 441953. The next prime is 441971. The reversal of 441957 is 759144.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 441957 - 2² = 441953 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73657 + ... + 73662.

It is an arithmetic number, because the mean of its divisors is an integer number (147320).

2⁴⁴¹⁹⁵⁷ is an apocalyptic number.

It is an amenable number.

441957 is a deficient number, since it is larger than the sum of its proper divisors (147323).

441957 is a wasteful number, since it uses less digits than its factorization.

441957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147322.

The product of its digits is 5040, while the sum is 30.

The square root of 441957 is about 664.7984657022. The cubic root of 441957 is about 76.1716457495.

The spelling of 441957 in words is "four hundred forty-one thousand, nine hundred fifty-seven".