10839980 has 12 divisors (see below), whose sum is σ = 22764000. Its totient is φ = 4335984.

The previous prime is 10839979. The next prime is 10839991. The reversal of 10839980 is 8993801.

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, 270980 + ... + 271019.

It is an arithmetic number, because the mean of its divisors is an integer number (1897000).

Almost surely, 2^10839980 is an apocalyptic number.

10839980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10839980 is an abundant number, since it is smaller than the sum of its proper divisors (11924020).

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

10839980 is a wasteful number, since it uses less digits than its factorization.

10839980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542008 (or 542006 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 10839980 is about 3292.4124893458. The cubic root of 10839980 is about 221.3143088195.

The spelling of 10839980 in words is "ten million, eight hundred thirty-nine thousand, nine hundred eighty".