1332389 has 2 divisors, whose sum is σ = 1332390. Its totient is φ = 1332388.

The previous prime is 1332379. The next prime is 1332421. The reversal of 1332389 is 9832331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1144900 + 187489 = 1070^2 + 433^2 .

It is a cyclic number.

It is not a de Polignac number, because 1332389 - 2²⁰ = 283813 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1332319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666194 + 666195.

It is an arithmetic number, because the mean of its divisors is an integer number (666195).

2^1332389 is an apocalyptic number.

It is an amenable number.

1332389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1332389 is an equidigital number, since it uses as much as digits as its factorization.

1332389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 29.

The square root of 1332389 is about 1154.2915576231. The cubic root of 1332389 is about 110.0382511599.

The spelling of 1332389 in words is "one million, three hundred thirty-two thousand, three hundred eighty-nine".