1032440389 has 2 divisors, whose sum is σ = 1032440390. Its totient is φ = 1032440388.

The previous prime is 1032440369. The next prime is 1032440401. The reversal of 1032440389 is 9830442301.

1032440389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 751308100 + 281132289 = 27410^2 + 16767^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1032440389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1032440309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 516220194 + 516220195.

It is an arithmetic number, because the mean of its divisors is an integer number (516220195).

Almost surely, 2^1032440389 is an apocalyptic number.

It is an amenable number.

1032440389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1032440389 is an equidigital number, since it uses as much as digits as its factorization.

1032440389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 1032440389 is about 32131.6104327187. The cubic root of 1032440389 is about 1010.6985948808.

The spelling of 1032440389 in words is "one billion, thirty-two million, four hundred forty thousand, three hundred eighty-nine".