100689064 has 32 divisors (see below), whose sum is σ = 216881280. Its totient is φ = 42928704.

The previous prime is 100689059. The next prime is 100689067. The reversal of 100689064 is 460986001.

It is not an unprimeable number, because it can be changed into a prime (100689067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6469 + ... + 15595.

It is an arithmetic number, because the mean of its divisors is an integer number (6777540).

Almost surely, 2^100689064 is an apocalyptic number.

100689064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

100689064 is an abundant number, since it is smaller than the sum of its proper divisors (116192216).

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

100689064 is a wasteful number, since it uses less digits than its factorization.

100689064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9337 (or 9333 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 100689064 is about 10034.3940524578. The cubic root of 100689064 is about 465.2225612052. Note that the first 3 decimals are identical.

The spelling of 100689064 in words is "one hundred million, six hundred eighty-nine thousand, sixty-four".