18476234 has 12 divisors (see below), whose sum is σ = 32239314. Its totient is φ = 7918344.

The previous prime is 18476179. The next prime is 18476239. The reversal of 18476234 is 43267481.

It can be written as a sum of positive squares in only one way, i.e., 13300609 + 5175625 = 3647^2 + 2275^2 .

It is a junction number, because it is equal to n+sod(n) for n = 18476194 and 18476203.

It is not an unprimeable number, because it can be changed into a prime (18476239) 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 5 ways as a sum of consecutive naturals, for example, 94169 + ... + 94364.

Almost surely, 2^18476234 is an apocalyptic number.

18476234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

18476234 is a deficient number, since it is larger than the sum of its proper divisors (13763080).

18476234 is a wasteful number, since it uses less digits than its factorization.

18476234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188549 (or 188542 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 18476234 is about 4298.3990042805. The cubic root of 18476234 is about 264.3653210674.

The spelling of 18476234 in words is "eighteen million, four hundred seventy-six thousand, two hundred thirty-four".