1489403 has 2 divisors, whose sum is σ = 1489404. Its totient is φ = 1489402.

The previous prime is 1489399. The next prime is 1489409. The reversal of 1489403 is 3049841.

It is a weak prime.

It is an emirp because it is prime and its reverse (3049841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1489403 - 2² = 1489399 is a prime.

It is a Chen prime.

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (1489409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 744701 + 744702.

It is an arithmetic number, because the mean of its divisors is an integer number (744702).

2^1489403 is an apocalyptic number.

1489403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1489403 is an equidigital number, since it uses as much as digits as its factorization.

1489403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1489403 is about 1220.4109963451. The cubic root of 1489403 is about 114.2012194655.

The spelling of 1489403 in words is "one million, four hundred eighty-nine thousand, four hundred three".