18838048 has 24 divisors (see below), whose sum is σ = 37366812. Its totient is φ = 9348096.

The previous prime is 18838033. The next prime is 18838093. The reversal of 18838048 is 84083881.

It can be written as a sum of positive squares in 2 ways, for example, as 18766224 + 71824 = 4332^2 + 268^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 18838048.

It is a congruent number.

It is an unprimeable number.

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, 2236 + ... + 6532.

Almost surely, 2^18838048 is an apocalyptic number.

It is an amenable number.

18838048 is a deficient number, since it is larger than the sum of its proper divisors (18528764).

18838048 is a wasteful number, since it uses less digits than its factorization.

18838048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4444 (or 4436 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 40.

The square root of 18838048 is about 4340.2820184868. The cubic root of 18838048 is about 266.0798373426.

The spelling of 18838048 in words is "eighteen million, eight hundred thirty-eight thousand, forty-eight".