103904009 has 8 divisors (see below), whose sum is σ = 115489152. Its totient is φ = 92675440.

The previous prime is 103903997. The next prime is 103904023. The reversal of 103904009 is 900409301.

It is a happy number.

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

It is not a de Polignac number, because 103904009 - 2⁴ = 103903993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (103904089) 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, 88529 + ... + 89694.

It is an arithmetic number, because the mean of its divisors is an integer number (14436144).

Almost surely, 2^103904009 is an apocalyptic number.

It is an amenable number.

103904009 is a deficient number, since it is larger than the sum of its proper divisors (11585143).

103904009 is a wasteful number, since it uses less digits than its factorization.

103904009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178287.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 103904009 is about 10193.3315947241. The cubic root of 103904009 is about 470.1222090535.

The spelling of 103904009 in words is "one hundred three million, nine hundred four thousand, nine".