1439329 has 2 divisors, whose sum is σ = 1439330. Its totient is φ = 1439328.

The previous prime is 1439323. The next prime is 1439359. The reversal of 1439329 is 9239341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1327104 + 112225 = 1152^2 + 335^2 .

It is a cyclic number.

It is not a de Polignac number, because 1439329 - 2⁹ = 1438817 is a prime.

It is a Chen prime.

It is equal to p₁₀₉₈₈₅ and since 1439329 and 109885 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1439329.

It is not a weakly prime, because it can be changed into another prime (1439323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 719664 + 719665.

It is an arithmetic number, because the mean of its divisors is an integer number (719665).

2^1439329 is an apocalyptic number.

It is an amenable number.

1439329 is a deficient number, since it is larger than the sum of its proper divisors (1).

1439329 is an equidigital number, since it uses as much as digits as its factorization.

1439329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 31.

The square root of 1439329 is about 1199.7203840896. The cubic root of 1439329 is about 112.9067808747.

The spelling of 1439329 in words is "one million, four hundred thirty-nine thousand, three hundred twenty-nine".