443261 has 8 divisors (see below), whose sum is σ = 545664. Its totient is φ = 350640.

The previous prime is 443249. The next prime is 443263. The reversal of 443261 is 162344.

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 443261 - 2¹⁰ = 442237 is a prime.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (443263) 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, 2345 + ... + 2526.

It is an arithmetic number, because the mean of its divisors is an integer number (68208).

2⁴⁴³²⁶¹ is an apocalyptic number.

It is an amenable number.

443261 is a deficient number, since it is larger than the sum of its proper divisors (102403).

443261 is a wasteful number, since it uses less digits than its factorization.

443261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4891.

The product of its digits is 576, while the sum is 20.

The square root of 443261 is about 665.7784916922. The cubic root of 443261 is about 76.2464873415.

The spelling of 443261 in words is "four hundred forty-three thousand, two hundred sixty-one".