355843 has 4 divisors (see below), whose sum is σ = 357048. Its totient is φ = 354640.

The previous prime is 355841. The next prime is 355847. The reversal of 355843 is 348553.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 355843 - 2¹ = 355841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (355841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180 + ... + 862.

It is an arithmetic number, because the mean of its divisors is an integer number (89262).

2³⁵⁵⁸⁴³ is an apocalyptic number.

355843 is a deficient number, since it is larger than the sum of its proper divisors (1205).

355843 is an equidigital number, since it uses as much as digits as its factorization.

355843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204.

The product of its digits is 7200, while the sum is 28.

The square root of 355843 is about 596.5257747994. The cubic root of 355843 is about 70.8629904262.

The spelling of 355843 in words is "three hundred fifty-five thousand, eight hundred forty-three".