18840248 has 32 divisors (see below), whose sum is σ = 42499200. Its totient is φ = 7648992.

The previous prime is 18840247. The next prime is 18840271. The reversal of 18840248 is 84204881.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18840247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7790 + ... + 9917.

It is an arithmetic number, because the mean of its divisors is an integer number (1328100).

Almost surely, 2^18840248 is an apocalyptic number.

It is an amenable number.

18840248 is an abundant number, since it is smaller than the sum of its proper divisors (23658952).

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

18840248 is a wasteful number, since it uses less digits than its factorization.

18840248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17739 (or 17735 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 35.

The square root of 18840248 is about 4340.5354508401. The cubic root of 18840248 is about 266.0901949772.

The spelling of 18840248 in words is "eighteen million, eight hundred forty thousand, two hundred forty-eight".