100309806 has 16 divisors (see below), whose sum is σ = 222910800. Its totient is φ = 33436584.

The previous prime is 100309801. The next prime is 100309879. The reversal of 100309806 is 608903001.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 100309806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100309801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 928741 + ... + 928848.

It is an arithmetic number, because the mean of its divisors is an integer number (13931925).

Almost surely, 2^100309806 is an apocalyptic number.

100309806 is an abundant number, since it is smaller than the sum of its proper divisors (122600994).

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

100309806 is a wasteful number, since it uses less digits than its factorization.

100309806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1857600 (or 1857594 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 100309806 is about 10015.4783210788. The cubic root of 100309806 is about 464.6377199031.

The spelling of 100309806 in words is "one hundred million, three hundred nine thousand, eight hundred six".