355389 has 4 divisors (see below), whose sum is σ = 473856. Its totient is φ = 236924.

The previous prime is 355379. The next prime is 355417. The reversal of 355389 is 983553.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 983553 = 3 ⋅327851.

It is a cyclic number.

It is not a de Polignac number, because 355389 - 2⁷ = 355261 is a prime.

It is a D-number.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 355389.

It is not an unprimeable number, because it can be changed into a prime (355339) 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, 59229 + ... + 59234.

It is an arithmetic number, because the mean of its divisors is an integer number (118464).

2³⁵⁵³⁸⁹ is an apocalyptic number.

It is an amenable number.

355389 is a deficient number, since it is larger than the sum of its proper divisors (118467).

355389 is a wasteful number, since it uses less digits than its factorization.

355389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118466.

The product of its digits is 16200, while the sum is 33.

The square root of 355389 is about 596.1451165614. The cubic root of 355389 is about 70.8328409039.

The spelling of 355389 in words is "three hundred fifty-five thousand, three hundred eighty-nine".