10889281 has 16 divisors (see below), whose sum is σ = 12418560. Its totient is φ = 9472320.

The previous prime is 10889273. The next prime is 10889287. The reversal of 10889281 is 18298801.

10889281 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10889281 - 2³ = 10889273 is a prime.

It is a super-2 number, since 2×10889281² = 237152881393922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10889281.

It is not an unprimeable number, because it can be changed into a prime (10889287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23391 + ... + 23851.

It is an arithmetic number, because the mean of its divisors is an integer number (776160).

Almost surely, 2^10889281 is an apocalyptic number.

It is an amenable number.

10889281 is a deficient number, since it is larger than the sum of its proper divisors (1529279).

10889281 is a wasteful number, since it uses less digits than its factorization.

10889281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576.

The product of its (nonzero) digits is 9216, while the sum is 37.

The square root of 10889281 is about 3299.8910588079. The cubic root of 10889281 is about 221.6493191869.

The spelling of 10889281 in words is "ten million, eight hundred eighty-nine thousand, two hundred eighty-one".