1489399 has 2 divisors, whose sum is σ = 1489400. Its totient is φ = 1489398.

The previous prime is 1489393. The next prime is 1489403. The reversal of 1489399 is 9939841.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1489399 - 2¹¹ = 1487351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1489393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 744699 + 744700.

It is an arithmetic number, because the mean of its divisors is an integer number (744700).

2^1489399 is an apocalyptic number.

1489399 is a deficient number, since it is larger than the sum of its proper divisors (1).

1489399 is an equidigital number, since it uses as much as digits as its factorization.

1489399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 43.

The square root of 1489399 is about 1220.4093575518. The cubic root of 1489399 is about 114.2011172310.

The spelling of 1489399 in words is "one million, four hundred eighty-nine thousand, three hundred ninety-nine".