100838885 has 16 divisors (see below), whose sum is σ = 141668352. Its totient is φ = 67459200.

The previous prime is 100838873. The next prime is 100838963. The reversal of 100838885 is 588838001.

It is a happy number.

It is not a de Polignac number, because 100838885 - 2⁶ = 100838821 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33701 + ... + 36570.

It is an arithmetic number, because the mean of its divisors is an integer number (8854272).

Almost surely, 2^100838885 is an apocalyptic number.

It is an amenable number.

100838885 is a deficient number, since it is larger than the sum of its proper divisors (40829467).

100838885 is an equidigital number, since it uses as much as digits as its factorization.

100838885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70324.

The product of its (nonzero) digits is 61440, while the sum is 41.

The square root of 100838885 is about 10041.8566510382. The cubic root of 100838885 is about 465.4531905799.

It can be divided in two parts, 1008 and 38885, that added together give a palindrome (39893).

The spelling of 100838885 in words is "one hundred million, eight hundred thirty-eight thousand, eight hundred eighty-five".