100049856 has 56 divisors (see below), whose sum is σ = 265541760. Its totient is φ = 33245952.

The previous prime is 100049819. The next prime is 100049857. The reversal of 100049856 is 658940001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100049857) 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, 83695 + ... + 84881.

Almost surely, 2^100049856 is an apocalyptic number.

100049856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100049856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132770880).

100049856 is an abundant number, since it is smaller than the sum of its proper divisors (165491904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100049856 is a wasteful number, since it uses less digits than its factorization.

100049856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641 (or 1631 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 100049856 is about 10002.4924893748. The cubic root of 100049856 is about 464.2360075633.

Adding to 100049856 its reverse (658940001), we get a palindrome (758989857).

The spelling of 100049856 in words is "one hundred million, forty-nine thousand, eight hundred fifty-six".