100689093 has 6 divisors (see below), whose sum is σ = 145439814. Its totient is φ = 67126056.

The previous prime is 100689091. The next prime is 100689097. The reversal of 100689093 is 390986001.

It can be written as a sum of positive squares in only one way, i.e., 55086084 + 45603009 = 7422^2 + 6753^2 .

It is not a de Polignac number, because 100689093 - 2¹ = 100689091 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100689091) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5593830 + ... + 5593847.

It is an arithmetic number, because the mean of its divisors is an integer number (24239969).

Almost surely, 2^100689093 is an apocalyptic number.

It is an amenable number.

100689093 is a deficient number, since it is larger than the sum of its proper divisors (44750721).

100689093 is a wasteful number, since it uses less digits than its factorization.

100689093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11187683 (or 11187680 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 100689093 is about 10034.3954974876. The cubic root of 100689093 is about 465.2226058689. Note that the first 3 decimals are identical.

The spelling of 100689093 in words is "one hundred million, six hundred eighty-nine thousand, ninety-three".