18462243 has 8 divisors (see below), whose sum is σ = 25912000. Its totient is φ = 11660328.

The previous prime is 18462229. The next prime is 18462247. The reversal of 18462243 is 34226481.

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

It is not a de Polignac number, because 18462243 - 2⁸ = 18461987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18462243.

It is not an unprimeable number, because it can be changed into a prime (18462247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161893 + ... + 162006.

It is an arithmetic number, because the mean of its divisors is an integer number (3239000).

Almost surely, 2^18462243 is an apocalyptic number.

18462243 is a deficient number, since it is larger than the sum of its proper divisors (7449757).

18462243 is a wasteful number, since it uses less digits than its factorization.

18462243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323921.

The product of its digits is 9216, while the sum is 30.

The square root of 18462243 is about 4296.7712296561. The cubic root of 18462243 is about 264.2985746151.

The spelling of 18462243 in words is "eighteen million, four hundred sixty-two thousand, two hundred forty-three".