18048980 has 12 divisors (see below), whose sum is σ = 37902900. Its totient is φ = 7219584.

The previous prime is 18048977. The next prime is 18049021. The reversal of 18048980 is 8984081.

It can be written as a sum of positive squares in 2 ways, for example, as 11587216 + 6461764 = 3404^2 + 2542^2 .

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 3 ways as a sum of consecutive naturals, for example, 451205 + ... + 451244.

It is an arithmetic number, because the mean of its divisors is an integer number (3158575).

Almost surely, 2^18048980 is an apocalyptic number.

18048980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18048980 is an abundant number, since it is smaller than the sum of its proper divisors (19853920).

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

18048980 is a wasteful number, since it uses less digits than its factorization.

18048980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902458 (or 902456 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 18048980 is about 4248.4091140096. The cubic root of 18048980 is about 262.3116350845.

The spelling of 18048980 in words is "eighteen million, forty-eight thousand, nine hundred eighty".