353959 has 4 divisors (see below), whose sum is σ = 355680. Its totient is φ = 352240.

The previous prime is 353939. The next prime is 353963. The reversal of 353959 is 959353.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-353959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (353929) 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, 502 + ... + 979.

It is an arithmetic number, because the mean of its divisors is an integer number (88920).

2³⁵³⁹⁵⁹ is an apocalyptic number.

353959 is a deficient number, since it is larger than the sum of its proper divisors (1721).

353959 is a wasteful number, since it uses less digits than its factorization.

353959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1720.

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

The square root of 353959 is about 594.9445352300. The cubic root of 353959 is about 70.7377084117.

The spelling of 353959 in words is "three hundred fifty-three thousand, nine hundred fifty-nine".