355963 has 4 divisors (see below), whose sum is σ = 376920. Its totient is φ = 335008.

The previous prime is 355951. The next prime is 355967. The reversal of 355963 is 369553.

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 355963 - 2¹³ = 347771 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

355963 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (355967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10453 + ... + 10486.

It is an arithmetic number, because the mean of its divisors is an integer number (94230).

2³⁵⁵⁹⁶³ is an apocalyptic number.

355963 is a deficient number, since it is larger than the sum of its proper divisors (20957).

355963 is a wasteful number, since it uses less digits than its factorization.

355963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20956.

The product of its digits is 12150, while the sum is 31.

The square root of 355963 is about 596.6263487309. The cubic root of 355963 is about 70.8709551777.

The spelling of 355963 in words is "three hundred fifty-five thousand, nine hundred sixty-three".