10840489 has 4 divisors (see below), whose sum is σ = 11826000. Its totient is φ = 9854980.

The previous prime is 10840457. The next prime is 10840513. The reversal of 10840489 is 98404801.

10840489 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10840489 - 2⁵ = 10840457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10840189) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 492739 + ... + 492760.

It is an arithmetic number, because the mean of its divisors is an integer number (2956500).

Almost surely, 2^10840489 is an apocalyptic number.

It is an amenable number.

10840489 is a deficient number, since it is larger than the sum of its proper divisors (985511).

10840489 is an equidigital number, since it uses as much as digits as its factorization.

10840489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985510.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 10840489 is about 3292.4897873798. The cubic root of 10840489 is about 221.3177727625.

The spelling of 10840489 in words is "ten million, eight hundred forty thousand, four hundred eighty-nine".