10909880 has 32 divisors (see below), whose sum is σ = 24654240. Its totient is φ = 4344960.

The previous prime is 10909879. The next prime is 10909897. The reversal of 10909880 is 8890901.

It is a happy number.

10909880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10909880² = 238050963228800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10909880.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12002 + ... + 12878.

It is an arithmetic number, because the mean of its divisors is an integer number (770445).

Almost surely, 2^10909880 is an apocalyptic number.

10909880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10909880 is an abundant number, since it is smaller than the sum of its proper divisors (13744360).

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

10909880 is a wasteful number, since it uses less digits than its factorization.

10909880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199 (or 1195 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 35.

The square root of 10909880 is about 3303.0107477875. The cubic root of 10909880 is about 221.7889941073.

The spelling of 10909880 in words is "ten million, nine hundred nine thousand, eight hundred eighty".