100808049 has 16 divisors (see below), whose sum is σ = 137318400. Its totient is φ = 65762256.

The previous prime is 100808041. The next prime is 100808077. The reversal of 100808049 is 940808001.

It is a happy number.

It is not a de Polignac number, because 100808049 - 2³ = 100808041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100808041) 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, 41112 + ... + 43494.

It is an arithmetic number, because the mean of its divisors is an integer number (8582400).

Almost surely, 2^100808049 is an apocalyptic number.

It is an amenable number.

100808049 is a deficient number, since it is larger than the sum of its proper divisors (36510351).

100808049 is a wasteful number, since it uses less digits than its factorization.

100808049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2684.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 100808049 is about 10040.3211602020. The cubic root of 100808049 is about 465.4057413649.

The spelling of 100808049 in words is "one hundred million, eight hundred eight thousand, forty-nine".