355443 has 8 divisors (see below), whose sum is σ = 517056. Its totient is φ = 215400.

The previous prime is 355441. The next prime is 355457. The reversal of 355443 is 344553.

It is a happy number.

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

It is not a de Polignac number, because 355443 - 2¹ = 355441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (355441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5353 + ... + 5418.

It is an arithmetic number, because the mean of its divisors is an integer number (64632).

2³⁵⁵⁴⁴³ is an apocalyptic number.

355443 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

355443 is a deficient number, since it is larger than the sum of its proper divisors (161613).

355443 is a wasteful number, since it uses less digits than its factorization.

355443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10785.

The product of its digits is 3600, while the sum is 24.

The square root of 355443 is about 596.1904058269. The cubic root of 355443 is about 70.8364283154.

Adding to 355443 its reverse (344553), we get a palindrome (699996).

The spelling of 355443 in words is "three hundred fifty-five thousand, four hundred forty-three".