100889670 has 32 divisors (see below), whose sum is σ = 276726528. Its totient is φ = 23060448.

The previous prime is 100889647. The next prime is 100889671. The reversal of 100889670 is 76988001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100889671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240004 + ... + 240423.

It is an arithmetic number, because the mean of its divisors is an integer number (8647704).

Almost surely, 2^100889670 is an apocalyptic number.

100889670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100889670 is an abundant number, since it is smaller than the sum of its proper divisors (175836858).

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

100889670 is a wasteful number, since it uses less digits than its factorization.

100889670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480444.

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 100889670 is about 10044.3849985950. The cubic root of 100889670 is about 465.5313154460.

The spelling of 100889670 in words is "one hundred million, eight hundred eighty-nine thousand, six hundred seventy".