1489867 has 2 divisors, whose sum is σ = 1489868. Its totient is φ = 1489866.

The previous prime is 1489841. The next prime is 1489889. The reversal of 1489867 is 7689841.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1489867 - 2¹¹ = 1487819 is a prime.

1489867 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1489067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 744933 + 744934.

It is an arithmetic number, because the mean of its divisors is an integer number (744934).

2^1489867 is an apocalyptic number.

1489867 is a deficient number, since it is larger than the sum of its proper divisors (1).

1489867 is an equidigital number, since it uses as much as digits as its factorization.

1489867 is an evil number, because the sum of its binary digits is even.

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

The square root of 1489867 is about 1220.6010814349. The cubic root of 1489867 is about 114.2130774301.

The spelling of 1489867 in words is "one million, four hundred eighty-nine thousand, eight hundred sixty-seven".