1489667 has 2 divisors, whose sum is σ = 1489668. Its totient is φ = 1489666.

The previous prime is 1489661. The next prime is 1489669. The reversal of 1489667 is 7669841.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1489667 - 2¹² = 1485571 is a prime.

Together with 1489669, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1489661) 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 as a sum of consecutive naturals, namely, 744833 + 744834.

It is an arithmetic number, because the mean of its divisors is an integer number (744834).

2^1489667 is an apocalyptic number.

1489667 is a deficient number, since it is larger than the sum of its proper divisors (1).

1489667 is an equidigital number, since it uses as much as digits as its factorization.

1489667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 41.

The square root of 1489667 is about 1220.5191518366. The cubic root of 1489667 is about 114.2079665404.

The spelling of 1489667 in words is "one million, four hundred eighty-nine thousand, six hundred sixty-seven".