355863 has 4 divisors (see below), whose sum is σ = 474488. Its totient is φ = 237240.

The previous prime is 355853. The next prime is 355867. The reversal of 355863 is 368553.

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

It is not a de Polignac number, because 355863 - 2⁴ = 355847 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 355863.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355867) 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, 59308 + ... + 59313.

It is an arithmetic number, because the mean of its divisors is an integer number (118622).

2³⁵⁵⁸⁶³ is an apocalyptic number.

355863 is a deficient number, since it is larger than the sum of its proper divisors (118625).

355863 is a wasteful number, since it uses less digits than its factorization.

355863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118624.

The product of its digits is 10800, while the sum is 30.

The square root of 355863 is about 596.5425382988. The cubic root of 355863 is about 70.8643180092.

Adding to 355863 its product of digits (10800), we get a palindrome (366663).

The spelling of 355863 in words is "three hundred fifty-five thousand, eight hundred sixty-three".