10921960 has 64 divisors (see below), whose sum is σ = 29577600. Its totient is φ = 3545856.

The previous prime is 10921931. The next prime is 10921961. The reversal of 10921960 is 6912901.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (10921961) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4294 + ... + 6346.

It is an arithmetic number, because the mean of its divisors is an integer number (462150).

Almost surely, 2^10921960 is an apocalyptic number.

10921960 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 10921960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14788800).

10921960 is an abundant number, since it is smaller than the sum of its proper divisors (18655640).

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

10921960 is a wasteful number, since it uses less digits than its factorization.

10921960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2090 (or 2086 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 10921960 is about 3304.8388765566. The cubic root of 10921960 is about 221.8708227740.

It can be divided in two parts, 10921 and 960, that added together give a square (11881 = 109²).

The spelling of 10921960 in words is "ten million, nine hundred twenty-one thousand, nine hundred sixty".