18419848 has 8 divisors (see below), whose sum is σ = 34537230. Its totient is φ = 9209920.

The previous prime is 18419839. The next prime is 18419851. The reversal of 18419848 is 84891481.

It can be written as a sum of positive squares in only one way, i.e., 9998244 + 8421604 = 3162^2 + 2902^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1151233 + ... + 1151248.

Almost surely, 2^18419848 is an apocalyptic number.

It is an amenable number.

18419848 is a deficient number, since it is larger than the sum of its proper divisors (16117382).

18419848 is a wasteful number, since it uses less digits than its factorization.

18419848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2302487 (or 2302483 counting only the distinct ones).

The product of its digits is 73728, while the sum is 43.

The square root of 18419848 is about 4291.8350387684. The cubic root of 18419848 is about 264.0961159053.

The spelling of 18419848 in words is "eighteen million, four hundred nineteen thousand, eight hundred forty-eight".