655443 has 12 divisors (see below), whose sum is σ = 996840. Its totient is φ = 413856.

The previous prime is 655439. The next prime is 655453. The reversal of 655443 is 344556.

655443 is a `hidden beast` number, since 655 + 4 + 4 + 3 = 666.

It is not a de Polignac number, because 655443 - 2² = 655439 is a prime.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (655453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1746 + ... + 2087.

It is an arithmetic number, because the mean of its divisors is an integer number (83070).

2⁶⁵⁵⁴⁴³ is an apocalyptic number.

655443 is a deficient number, since it is larger than the sum of its proper divisors (341397).

655443 is a wasteful number, since it uses less digits than its factorization.

655443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3858 (or 3855 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 655443 is about 809.5943428656. The cubic root of 655443 is about 86.8650305141.

Adding to 655443 its reverse (344556), we get a palindrome (999999).

The spelling of 655443 in words is "six hundred fifty-five thousand, four hundred forty-three".