10928780 has 24 divisors (see below), whose sum is σ = 23084880. Its totient is φ = 4345920.

The previous prime is 10928779. The next prime is 10928789. The reversal of 10928780 is 8782901.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 10928780.

It is not an unprimeable number, because it can be changed into a prime (10928789) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2111 + ... + 5129.

It is an arithmetic number, because the mean of its divisors is an integer number (961870).

Almost surely, 2^10928780 is an apocalyptic number.

10928780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10928780 is an abundant number, since it is smaller than the sum of its proper divisors (12156100).

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

10928780 is a wasteful number, since it uses less digits than its factorization.

10928780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3209 (or 3207 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 10928780 is about 3305.8705358801. The cubic root of 10928780 is about 221.9169941012.

The spelling of 10928780 in words is "ten million, nine hundred twenty-eight thousand, seven hundred eighty".