1499389 has 2 divisors, whose sum is σ = 1499390. Its totient is φ = 1499388.

The previous prime is 1499369. The next prime is 1499413. The reversal of 1499389 is 9839941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1232100 + 267289 = 1110^2 + 517^2 .

It is an emirp because it is prime and its reverse (9839941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1499389 - 2⁵ = 1499357 is a prime.

1499389 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1499359) 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, 749694 + 749695.

It is an arithmetic number, because the mean of its divisors is an integer number (749695).

2^1499389 is an apocalyptic number.

It is an amenable number.

1499389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1499389 is an equidigital number, since it uses as much as digits as its factorization.

1499389 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 1499389 is about 1224.4954062797. The cubic root of 1499389 is about 114.4558794689.

The spelling of 1499389 in words is "one million, four hundred ninety-nine thousand, three hundred eighty-nine".