18463234 has 8 divisors (see below), whose sum is σ = 27836028. Its totient is φ = 9184560.

The previous prime is 18463229. The next prime is 18463253. The reversal of 18463234 is 43236481.

It can be written as a sum of positive squares in 2 ways, for example, as 17197609 + 1265625 = 4147^2 + 1125^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 18463196 and 18463205.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23037 + ... + 23824.

Almost surely, 2^18463234 is an apocalyptic number.

18463234 is a deficient number, since it is larger than the sum of its proper divisors (9372794).

18463234 is a wasteful number, since it uses less digits than its factorization.

18463234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47060.

The product of its digits is 13824, while the sum is 31.

The square root of 18463234 is about 4296.8865472572. The cubic root of 18463234 is about 264.3033034591.

The spelling of 18463234 in words is "eighteen million, four hundred sixty-three thousand, two hundred thirty-four".