444091 has 8 divisors (see below), whose sum is σ = 476064. Its totient is φ = 412800.

The previous prime is 444089. The next prime is 444109. The reversal of 444091 is 190444.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 444091 - 2¹ = 444089 is a prime.

It is a Duffinian number.

444091 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (444001) 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, 2481 + ... + 2653.

It is an arithmetic number, because the mean of its divisors is an integer number (59508).

2⁴⁴⁴⁰⁹¹ is an apocalyptic number.

444091 is a deficient number, since it is larger than the sum of its proper divisors (31973).

444091 is a wasteful number, since it uses less digits than its factorization.

444091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 444091 is about 666.4015306105. The cubic root of 444091 is about 76.2940478275.

The spelling of 444091 in words is "four hundred forty-four thousand, ninety-one".