10867489 has 4 divisors (see below), whose sum is σ = 11242260. Its totient is φ = 10492720.

The previous prime is 10867469. The next prime is 10867513. The reversal of 10867489 is 98476801.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3359889 + 7507600 = 1833^2 + 2740^2 .

It is a cyclic number.

It is not a de Polignac number, because 10867489 - 2⁵ = 10867457 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (10867429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187342 + ... + 187399.

It is an arithmetic number, because the mean of its divisors is an integer number (2810565).

Almost surely, 2^10867489 is an apocalyptic number.

It is an amenable number.

10867489 is a deficient number, since it is larger than the sum of its proper divisors (374771).

10867489 is an equidigital number, since it uses as much as digits as its factorization.

10867489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374770.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 10867489 is about 3296.5874779839. The cubic root of 10867489 is about 221.5013630559.

The spelling of 10867489 in words is "ten million, eight hundred sixty-seven thousand, four hundred eighty-nine".