10839280 has 40 divisors (see below), whose sum is σ = 25391232. Its totient is φ = 4303104.

The previous prime is 10839277. The next prime is 10839313. The reversal of 10839280 is 8293801.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12129 + ... + 12991.

Almost surely, 2^10839280 is an apocalyptic number.

10839280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10839280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12695616).

10839280 is an abundant number, since it is smaller than the sum of its proper divisors (14551952).

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

10839280 is a wasteful number, since it uses less digits than its factorization.

10839280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033 (or 1027 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 10839280 is about 3292.3061826021. The cubic root of 10839280 is about 221.3095448700.

The spelling of 10839280 in words is "ten million, eight hundred thirty-nine thousand, two hundred eighty".