18479441 has 8 divisors (see below), whose sum is σ = 19181568. Its totient is φ = 17784000.

The previous prime is 18479431. The next prime is 18479453. The reversal of 18479441 is 14497481.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18479441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18479395 and 18479404.

It is not an unprimeable number, because it can be changed into a prime (18479411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4361 + ... + 7481.

It is an arithmetic number, because the mean of its divisors is an integer number (2397696).

Almost surely, 2^18479441 is an apocalyptic number.

It is an amenable number.

18479441 is a deficient number, since it is larger than the sum of its proper divisors (702127).

18479441 is a wasteful number, since it uses less digits than its factorization.

18479441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3343.

The product of its digits is 32256, while the sum is 38.

The square root of 18479441 is about 4298.7720339650. The cubic root of 18479441 is about 264.3806158606.

The spelling of 18479441 in words is "eighteen million, four hundred seventy-nine thousand, four hundred forty-one".