18048870 has 48 divisors (see below), whose sum is σ = 53632800. Its totient is φ = 4125312.

The previous prime is 18048869. The next prime is 18048881. The reversal of 18048870 is 7884081.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13695 + ... + 14954.

It is an arithmetic number, because the mean of its divisors is an integer number (1117350).

Almost surely, 2^18048870 is an apocalyptic number.

18048870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18048870 is an abundant number, since it is smaller than the sum of its proper divisors (35583930).

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

18048870 is a wasteful number, since it uses less digits than its factorization.

18048870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28669 (or 28666 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The square root of 18048870 is about 4248.3961679674. The cubic root of 18048870 is about 262.3111021950.

The spelling of 18048870 in words is "eighteen million, forty-eight thousand, eight hundred seventy".