18038148 has 24 divisors (see below), whose sum is σ = 42171360. Its totient is φ = 6000960.

The previous prime is 18038147. The next prime is 18038159. The reversal of 18038148 is 84183081.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18038143) 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 7 ways as a sum of consecutive naturals, for example, 6768 + ... + 9048.

It is an arithmetic number, because the mean of its divisors is an integer number (1757140).

Almost surely, 2^18038148 is an apocalyptic number.

It is an amenable number.

18038148 is an abundant number, since it is smaller than the sum of its proper divisors (24133212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18038148 is a wasteful number, since it uses less digits than its factorization.

18038148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2947 (or 2945 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 33.

The square root of 18038148 is about 4247.1340925382. The cubic root of 18038148 is about 262.2591496028.

The spelling of 18038148 in words is "eighteen million, thirty-eight thousand, one hundred forty-eight".