18036104 has 8 divisors (see below), whose sum is σ = 33817710. Its totient is φ = 9018048.

The previous prime is 18036103. The next prime is 18036119. The reversal of 18036104 is 40163081.

It can be written as a sum of positive squares in only one way, i.e., 17222500 + 813604 = 4150^2 + 902^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 18036104.

It is not an unprimeable number, because it can be changed into a prime (18036101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1127249 + ... + 1127264.

Almost surely, 2^18036104 is an apocalyptic number.

It is an amenable number.

18036104 is a deficient number, since it is larger than the sum of its proper divisors (15781606).

18036104 is a wasteful number, since it uses less digits than its factorization.

18036104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2254519 (or 2254515 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 18036104 is about 4246.8934528665. The cubic root of 18036104 is about 262.2492432282.

Adding to 18036104 its reverse (40163081), we get a palindrome (58199185).

The spelling of 18036104 in words is "eighteen million, thirty-six thousand, one hundred four".