18484814 has 8 divisors (see below), whose sum is σ = 29358288. Its totient is φ = 8698720.

The previous prime is 18484811. The next prime is 18484819. The reversal of 18484814 is 41848481.

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

It is a super-2 number, since 2×18484814² = 683376697229192, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18484811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271802 + ... + 271869.

It is an arithmetic number, because the mean of its divisors is an integer number (3669786).

Almost surely, 2^18484814 is an apocalyptic number.

18484814 is a deficient number, since it is larger than the sum of its proper divisors (10873474).

18484814 is a wasteful number, since it uses less digits than its factorization.

18484814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543690.

The product of its digits is 32768, while the sum is 38.

The square root of 18484814 is about 4299.3969344549. The cubic root of 18484814 is about 264.4062367546.

The spelling of 18484814 in words is "eighteen million, four hundred eighty-four thousand, eight hundred fourteen".