100384857 has 12 divisors (see below), whose sum is σ = 151305024. Its totient is φ = 64013400.

The previous prime is 100384849. The next prime is 100384861. The reversal of 100384857 is 758483001.

It is not a de Polignac number, because 100384857 - 2³ = 100384849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100384877) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 242269 + ... + 242682.

It is an arithmetic number, because the mean of its divisors is an integer number (12608752).

Almost surely, 2^100384857 is an apocalyptic number.

It is an amenable number.

100384857 is a deficient number, since it is larger than the sum of its proper divisors (50920167).

100384857 is a wasteful number, since it uses less digits than its factorization.

100384857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484980 (or 484977 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 100384857 is about 10019.2243711776. The cubic root of 100384857 is about 464.7535704321.

The spelling of 100384857 in words is "one hundred million, three hundred eighty-four thousand, eight hundred fifty-seven".