103894809 has 8 divisors (see below), whose sum is σ = 138574752. Its totient is φ = 69239040.

The previous prime is 103894807. The next prime is 103894829. The reversal of 103894809 is 908498301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 103894809 - 2¹ = 103894807 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (103894807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10314 + ... + 17724.

It is an arithmetic number, because the mean of its divisors is an integer number (17321844).

Almost surely, 2^103894809 is an apocalyptic number.

It is an amenable number.

103894809 is a deficient number, since it is larger than the sum of its proper divisors (34679943).

103894809 is an equidigital number, since it uses as much as digits as its factorization.

103894809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12087.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 103894809 is about 10192.8803093139. The cubic root of 103894809 is about 470.1083332591.

The spelling of 103894809 in words is "one hundred three million, eight hundred ninety-four thousand, eight hundred nine".