10989260 has 24 divisors (see below), whose sum is σ = 23874480. Its totient is φ = 4243904.

The previous prime is 10989257. The next prime is 10989269. The reversal of 10989260 is 6298901.

It is a self number, because there is not a number n which added to its sum of digits gives 10989260.

It is not an unprimeable number, because it can be changed into a prime (10989269) 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, 8894 + ... + 10053.

It is an arithmetic number, because the mean of its divisors is an integer number (994770).

Almost surely, 2^10989260 is an apocalyptic number.

10989260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10989260 is an abundant number, since it is smaller than the sum of its proper divisors (12885220).

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

10989260 is a wasteful number, since it uses less digits than its factorization.

10989260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18985 (or 18983 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 10989260 is about 3315.0052790305. The cubic root of 10989260 is about 222.3256050447.

Subtracting from 10989260 its sum of digits (35), we obtain a square (10989225 = 3315²).

The spelling of 10989260 in words is "ten million, nine hundred eighty-nine thousand, two hundred sixty".