980923399 has 2 divisors, whose sum is σ = 980923400. Its totient is φ = 980923398.

The previous prime is 980923397. The next prime is 980923423. The reversal of 980923399 is 993329089.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 980923399 - 2¹ = 980923397 is a prime.

Together with 980923397, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (980923397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490461699 + 490461700.

It is an arithmetic number, because the mean of its divisors is an integer number (490461700).

Almost surely, 2^980923399 is an apocalyptic number.

980923399 is a deficient number, since it is larger than the sum of its proper divisors (1).

980923399 is an equidigital number, since it uses as much as digits as its factorization.

980923399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 944784, while the sum is 52.

The square root of 980923399 is about 31319.6966620049. The cubic root of 980923399 is about 993.6002637464.

The spelling of 980923399 in words is "nine hundred eighty million, nine hundred twenty-three thousand, three hundred ninety-nine".