10188980 has 12 divisors (see below), whose sum is σ = 21396900. Its totient is φ = 4075584.

The previous prime is 10188973. The next prime is 10188991. The reversal of 10188980 is 8988101.

It can be written as a sum of positive squares in 2 ways, for example, as 4999696 + 5189284 = 2236^2 + 2278^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10188980.

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, 254705 + ... + 254744.

It is an arithmetic number, because the mean of its divisors is an integer number (1783075).

Almost surely, 2^10188980 is an apocalyptic number.

10188980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10188980 is an abundant number, since it is smaller than the sum of its proper divisors (11207920).

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

10188980 is a wasteful number, since it uses less digits than its factorization.

10188980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509458 (or 509456 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 35.

The square root of 10188980 is about 3192.0181703743. The cubic root of 10188980 is about 216.7921587284.

The spelling of 10188980 in words is "ten million, one hundred eighty-eight thousand, nine hundred eighty".