40963 has 8 divisors (see below), whose sum is σ = 46368. Its totient is φ = 35904.

The previous prime is 40961. The next prime is 40973. The reversal of 40963 is 36904.

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 40963 - 2¹ = 40961 is a prime.

40963 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (40961) 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, 231 + ... + 367.

It is an arithmetic number, because the mean of its divisors is an integer number (5796).

2⁴⁰⁹⁶³ is an apocalyptic number.

40963 is a deficient number, since it is larger than the sum of its proper divisors (5405).

40963 is a wasteful number, since it uses less digits than its factorization.

40963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 40963 is about 202.3931817033. The cubic root of 40963 is about 34.4717965960.

The spelling of 40963 in words is "forty thousand, nine hundred sixty-three".