100194885 has 48 divisors (see below), whose sum is σ = 208940160. Its totient is φ = 43390080.

The previous prime is 100194881. The next prime is 100194911. The reversal of 100194885 is 588491001.

It is not a de Polignac number, because 100194885 - 2² = 100194881 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100194881) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2386 + ... + 14355.

It is an arithmetic number, because the mean of its divisors is an integer number (4352920).

Almost surely, 2^100194885 is an apocalyptic number.

100194885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100194885 is an abundant number, since it is smaller than the sum of its proper divisors (108745275).

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

100194885 is a wasteful number, since it uses less digits than its factorization.

100194885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16778 (or 16775 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 100194885 is about 10009.7395071001. The cubic root of 100194885 is about 464.4602130438.

The spelling of 100194885 in words is "one hundred million, one hundred ninety-four thousand, eight hundred eighty-five".