17999104 has 18 divisors (see below), whose sum is σ = 35928410. Its totient is φ = 8999424.

The previous prime is 17999101. The next prime is 17999119. The reversal of 17999104 is 40199971.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12616704 + 5382400 = 3552^2 + 2320^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (17999101) by changing a digit.

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, 34899 + ... + 35410.

Almost surely, 2^17999104 is an apocalyptic number.

It is an amenable number.

17999104 is a deficient number, since it is larger than the sum of its proper divisors (17929306).

17999104 is an frugal number, since it uses more digits than its factorization.

17999104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70325 (or 70311 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 40.

The square root of 17999104 is about 4242.5350911925. The cubic root of 17999104 is about 262.0697908593.

The spelling of 17999104 in words is "seventeen million, nine hundred ninety-nine thousand, one hundred four".