353643 has 4 divisors (see below), whose sum is σ = 471528. Its totient is φ = 235760.

The previous prime is 353641. The next prime is 353653. The reversal of 353643 is 346353.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 353643 - 2¹ = 353641 is a prime.

It is a D-number.

353643 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 353643.

It is not an unprimeable number, because it can be changed into a prime (353641) 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 3 ways as a sum of consecutive naturals, for example, 58938 + ... + 58943.

It is an arithmetic number, because the mean of its divisors is an integer number (117882).

2³⁵³⁶⁴³ is an apocalyptic number.

353643 is a deficient number, since it is larger than the sum of its proper divisors (117885).

353643 is a wasteful number, since it uses less digits than its factorization.

353643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117884.

The product of its digits is 3240, while the sum is 24.

The square root of 353643 is about 594.6789049563. The cubic root of 353643 is about 70.7166515745.

Adding to 353643 its reverse (346353), we get a palindrome (699996).

The spelling of 353643 in words is "three hundred fifty-three thousand, six hundred forty-three".