10989585 has 24 divisors (see below), whose sum is σ = 19241664. Its totient is φ = 5801760.

The previous prime is 10989571. The next prime is 10989617. The reversal of 10989585 is 58598901.

It is not a de Polignac number, because 10989585 - 2⁴ = 10989569 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 10989585.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3450 + ... + 5820.

It is an arithmetic number, because the mean of its divisors is an integer number (801736).

Almost surely, 2^10989585 is an apocalyptic number.

10989585 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10989585 is a deficient number, since it is larger than the sum of its proper divisors (8252079).

10989585 is a wasteful number, since it uses less digits than its factorization.

10989585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2485 (or 2482 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 45.

The square root of 10989585 is about 3315.0542981978. The cubic root of 10989585 is about 222.3277967333.

The spelling of 10989585 in words is "ten million, nine hundred eighty-nine thousand, five hundred eighty-five".