353863 has 4 divisors (see below), whose sum is σ = 361440. Its totient is φ = 346288.

The previous prime is 353833. The next prime is 353867. The reversal of 353863 is 368353.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 368353 = 19 ⋅19387.

It is a cyclic number.

It is not a de Polignac number, because 353863 - 2¹⁷ = 222791 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 (353867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3718 + ... + 3811.

It is an arithmetic number, because the mean of its divisors is an integer number (90360).

2³⁵³⁸⁶³ is an apocalyptic number.

353863 is a deficient number, since it is larger than the sum of its proper divisors (7577).

353863 is an equidigital number, since it uses as much as digits as its factorization.

353863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7576.

The product of its digits is 6480, while the sum is 28.

The square root of 353863 is about 594.8638499690. The cubic root of 353863 is about 70.7313127236.

The spelling of 353863 in words is "three hundred fifty-three thousand, eight hundred sixty-three".