18479134 has 8 divisors (see below), whose sum is σ = 29177640. Its totient is φ = 8753256.

The previous prime is 18479117. The next prime is 18479137. The reversal of 18479134 is 43197481.

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 = 18479093 and 18479102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18479137) 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 3 ways as a sum of consecutive naturals, for example, 243109 + ... + 243184.

It is an arithmetic number, because the mean of its divisors is an integer number (3647205).

Almost surely, 2^18479134 is an apocalyptic number.

18479134 is a deficient number, since it is larger than the sum of its proper divisors (10698506).

18479134 is a wasteful number, since it uses less digits than its factorization.

18479134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486314.

The product of its digits is 24192, while the sum is 37.

The square root of 18479134 is about 4298.7363259451. The cubic root of 18479134 is about 264.3791517958.

The spelling of 18479134 in words is "eighteen million, four hundred seventy-nine thousand, one hundred thirty-four".