18960043 has 4 divisors (see below), whose sum is σ = 19957960. Its totient is φ = 17962128.

The previous prime is 18960037. The next prime is 18960047. The reversal of 18960043 is 34006981.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 18960043 - 2¹³ = 18951851 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18959987 and 18960014.

It is not an unprimeable number, because it can be changed into a prime (18960047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498930 + ... + 498967.

It is an arithmetic number, because the mean of its divisors is an integer number (4989490).

Almost surely, 2^18960043 is an apocalyptic number.

18960043 is a deficient number, since it is larger than the sum of its proper divisors (997917).

18960043 is an equidigital number, since it uses as much as digits as its factorization.

18960043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997916.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 18960043 is about 4354.3131490512. The cubic root of 18960043 is about 266.6529786377.

The spelling of 18960043 in words is "eighteen million, nine hundred sixty thousand, forty-three".