1074398389 has 2 divisors, whose sum is σ = 1074398390. Its totient is φ = 1074398388.

The previous prime is 1074398261. The next prime is 1074398393. The reversal of 1074398389 is 9838934701.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 893711025 + 180687364 = 29895^2 + 13442^2 .

It is a cyclic number.

It is not a de Polignac number, because 1074398389 - 2⁷ = 1074398261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1074398089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 537199194 + 537199195.

It is an arithmetic number, because the mean of its divisors is an integer number (537199195).

Almost surely, 2^1074398389 is an apocalyptic number.

It is an amenable number.

1074398389 is a deficient number, since it is larger than the sum of its proper divisors (1).

1074398389 is an equidigital number, since it uses as much as digits as its factorization.

1074398389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The square root of 1074398389 is about 32778.0168558136. The cubic root of 1074398389 is about 1024.2086738654.

The spelling of 1074398389 in words is "one billion, seventy-four million, three hundred ninety-eight thousand, three hundred eighty-nine".