355939 has 2 divisors, whose sum is σ = 355940. Its totient is φ = 355938.

The previous prime is 355937. The next prime is 355951. The reversal of 355939 is 939553.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 355939 - 2¹ = 355937 is a prime.

Together with 355937, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (355933) 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 as a sum of consecutive naturals, namely, 177969 + 177970.

It is an arithmetic number, because the mean of its divisors is an integer number (177970).

2³⁵⁵⁹³⁹ is an apocalyptic number.

355939 is a deficient number, since it is larger than the sum of its proper divisors (1).

355939 is an equidigital number, since it uses as much as digits as its factorization.

355939 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18225, while the sum is 34.

The square root of 355939 is about 596.6062353010. The cubic root of 355939 is about 70.8693623706.

The spelling of 355939 in words is "three hundred fifty-five thousand, nine hundred thirty-nine".