100889208 has 48 divisors (see below), whose sum is σ = 312277680. Its totient is φ = 28825344.

The previous prime is 100889189. The next prime is 100889249. The reversal of 100889208 is 802988001.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99585 + ... + 100592.

It is an arithmetic number, because the mean of its divisors is an integer number (6505785).

Almost surely, 2^100889208 is an apocalyptic number.

100889208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

100889208 is an abundant number, since it is smaller than the sum of its proper divisors (211388472).

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

100889208 is a wasteful number, since it uses less digits than its factorization.

100889208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200196 (or 200189 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 100889208 is about 10044.3620006449. The cubic root of 100889208 is about 465.5306048487.

The spelling of 100889208 in words is "one hundred million, eight hundred eighty-nine thousand, two hundred eight".