10406489 has 2 divisors, whose sum is σ = 10406490. Its totient is φ = 10406488.

The previous prime is 10406477. The next prime is 10406521. The reversal of 10406489 is 98460401.

It is an a-pointer prime, because the next prime (10406521) can be obtained adding 10406489 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9406489 + 1000000 = 3067^2 + 1000^2 .

It is a cyclic number.

It is not a de Polignac number, because 10406489 - 2²⁰ = 9357913 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10406449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5203244 + 5203245.

It is an arithmetic number, because the mean of its divisors is an integer number (5203245).

Almost surely, 2^10406489 is an apocalyptic number.

It is an amenable number.

10406489 is a deficient number, since it is larger than the sum of its proper divisors (1).

10406489 is an equidigital number, since it uses as much as digits as its factorization.

10406489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 10406489 is about 3225.9090191758. The cubic root of 10406489 is about 218.3239649199.

The spelling of 10406489 in words is "ten million, four hundred six thousand, four hundred eighty-nine".