100648 has 16 divisors (see below), whose sum is σ = 197280. Its totient is φ = 48048.

The previous prime is 100621. The next prime is 100649. The reversal of 100648 is 846001.

It is not an unprimeable number, because it can be changed into a prime (100649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90 + ... + 457.

It is an arithmetic number, because the mean of its divisors is an integer number (12330).

2¹⁰⁰⁶⁴⁸ is an apocalyptic number.

It is an amenable number.

100648 is a deficient number, since it is larger than the sum of its proper divisors (96632).

100648 is a wasteful number, since it uses less digits than its factorization.

100648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576 (or 572 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 100648 is about 317.2506895186. The cubic root of 100648 is about 46.5159308732.

Adding to 100648 its reverse (846001), we get a palindrome (946649).

The spelling of 100648 in words is "one hundred thousand, six hundred forty-eight".