40863 has 8 divisors (see below), whose sum is σ = 55728. Its totient is φ = 26624.

The previous prime is 40853. The next prime is 40867. The reversal of 40863 is 36804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40863 - 2⁴ = 40847 is a prime.

40863 is an undulating number in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 40863.

It is not an unprimeable number, because it can be changed into a prime (40867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31 + ... + 287.

It is an arithmetic number, because the mean of its divisors is an integer number (6966).

2⁴⁰⁸⁶³ is an apocalyptic number.

40863 is a deficient number, since it is larger than the sum of its proper divisors (14865).

40863 is a wasteful number, since it uses less digits than its factorization.

40863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 40863 is about 202.1459868511. The cubic root of 40863 is about 34.4437225732.

It can be divided in two parts, 40 and 863, that added together give a triangular number (903 = T₄₂).

The spelling of 40863 in words is "forty thousand, eight hundred sixty-three".