100946 has 8 divisors (see below), whose sum is σ = 160380. Its totient is φ = 47488.

The previous prime is 100943. The next prime is 100957. The reversal of 100946 is 649001.

It can be written as a sum of positive squares in 2 ways, for example, as 96721 + 4225 = 311^2 + 65^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (100943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1451 + ... + 1518.

2¹⁰⁰⁹⁴⁶ is an apocalyptic number.

100946 is a deficient number, since it is larger than the sum of its proper divisors (59434).

100946 is a wasteful number, since it uses less digits than its factorization.

100946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2988.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 100946 is about 317.7200025179. The cubic root of 100946 is about 46.5617939776.

Adding to 100946 its reverse (649001), we get a palindrome (749947).

The spelling of 100946 in words is "one hundred thousand, nine hundred forty-six".