40946 has 8 divisors (see below), whose sum is σ = 62640. Its totient is φ = 20068.

The previous prime is 40939. The next prime is 40949. The reversal of 40946 is 64904.

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 40946.

It is not an unprimeable number, because it can be changed into a prime (40949) by changing a digit.

40946 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 56 + ... + 291.

It is an arithmetic number, because the mean of its divisors is an integer number (7830).

2⁴⁰⁹⁴⁶ is an apocalyptic number.

40946 is a deficient number, since it is larger than the sum of its proper divisors (21694).

40946 is a wasteful number, since it uses less digits than its factorization.

40946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 40946 is about 202.3511798829. The cubic root of 40946 is about 34.4670272381.

The spelling of 40946 in words is "forty thousand, nine hundred forty-six".