18960636 has 12 divisors (see below), whose sum is σ = 44241512. Its totient is φ = 6320208.

The previous prime is 18960619. The next prime is 18960701. The reversal of 18960636 is 63606981.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 18960594 and 18960603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 790015 + ... + 790038.

Almost surely, 2^18960636 is an apocalyptic number.

It is an amenable number.

18960636 is an abundant number, since it is smaller than the sum of its proper divisors (25280876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18960636 is a wasteful number, since it uses less digits than its factorization.

18960636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580060 (or 1580058 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 18960636 is about 4354.3812419217. The cubic root of 18960636 is about 266.6557585816.

The spelling of 18960636 in words is "eighteen million, nine hundred sixty thousand, six hundred thirty-six".