18960444 has 18 divisors (see below), whose sum is σ = 47927880. Its totient is φ = 6320136.

The previous prime is 18960443. The next prime is 18960449. The reversal of 18960444 is 44406981.

It is a happy number.

18960444 is a `hidden beast` number, since 1 + 8 + 9 + 604 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 526679 = 18960444 / (1 + 8 + 9 + 6 + 0 + 4 + 4 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 18960399 and 18960408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18960443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 263304 + ... + 263375.

It is an arithmetic number, because the mean of its divisors is an integer number (2662660).

Almost surely, 2^18960444 is an apocalyptic number.

It is an amenable number.

18960444 is an abundant number, since it is smaller than the sum of its proper divisors (28967436).

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

18960444 is a wasteful number, since it uses less digits than its factorization.

18960444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526689 (or 526684 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 18960444 is about 4354.3591951055. The cubic root of 18960444 is about 266.6548585049.

The spelling of 18960444 in words is "eighteen million, nine hundred sixty thousand, four hundred forty-four".