363943 has 4 divisors (see below), whose sum is σ = 365328. Its totient is φ = 362560.

The previous prime is 363941. The next prime is 363947. The reversal of 363943 is 349363.

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 363943 - 2¹ = 363941 is a prime.

It is a Duffinian number.

363943 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (363941) 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, 163 + ... + 868.

It is an arithmetic number, because the mean of its divisors is an integer number (91332).

2³⁶³⁹⁴³ is an apocalyptic number.

363943 is a deficient number, since it is larger than the sum of its proper divisors (1385).

363943 is a wasteful number, since it uses less digits than its factorization.

363943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384.

The product of its digits is 5832, while the sum is 28.

The square root of 363943 is about 603.2768850205. The cubic root of 363943 is about 71.3966426823.

The spelling of 363943 in words is "three hundred sixty-three thousand, nine hundred forty-three".