441861 has 16 divisors (see below), whose sum is σ = 687744. Its totient is φ = 247104.

The previous prime is 441841. The next prime is 441877. The reversal of 441861 is 168144.

It is not a de Polignac number, because 441861 - 2⁵ = 441829 is a prime.

It is a super-2 number, since 2×441861² = 390482286642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 915 + ... + 1311.

It is an arithmetic number, because the mean of its divisors is an integer number (42984).

2⁴⁴¹⁸⁶¹ is an apocalyptic number.

It is an amenable number.

441861 is a deficient number, since it is larger than the sum of its proper divisors (245883).

441861 is a wasteful number, since it uses less digits than its factorization.

441861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460.

The product of its digits is 768, while the sum is 24.

The square root of 441861 is about 664.7262594482. The cubic root of 441861 is about 76.1661301243.

The spelling of 441861 in words is "four hundred forty-one thousand, eight hundred sixty-one".