117904 has 10 divisors (see below), whose sum is σ = 228470. Its totient is φ = 58944.
The previous prime is 117899. The next prime is 117911. The reversal of 117904 is 409711.
It can be written as a sum of positive squares in only one way, i.e., 115600 + 2304 = 340^2 + 48^2 .
It is an unprimeable number.
117904 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3669 + ... + 3700.
It is an arithmetic number, because the mean of its divisors is an integer number (22847).
2117904 is an apocalyptic number.
It is an amenable number.
117904 is a deficient number, since it is larger than the sum of its proper divisors (110566).
117904 is an equidigital number, since it uses as much as digits as its factorization.
117904 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7377 (or 7371 counting only the distinct ones).
The product of its (nonzero) digits is 252, while the sum is 22.
The square root of 117904 is about 343.3715189121. The cubic root of 117904 is about 49.0353763692.
The spelling of 117904 in words is "one hundred seventeen thousand, nine hundred four".
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