984989419 has 2 divisors, whose sum is σ = 984989420. Its totient is φ = 984989418.

The previous prime is 984989417. The next prime is 984989429. The reversal of 984989419 is 914989489.

It is a weak prime.

It is an emirp because it is prime and its reverse (914989489) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 984989419 - 2¹ = 984989417 is a prime.

It is a super-2 number, since 2×984989419² = 1940408311083915122, which contains 22 as substring.

Together with 984989417, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (984989417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492494709 + 492494710.

It is an arithmetic number, because the mean of its divisors is an integer number (492494710).

Almost surely, 2^984989419 is an apocalyptic number.

984989419 is a deficient number, since it is larger than the sum of its proper divisors (1).

984989419 is an equidigital number, since it uses as much as digits as its factorization.

984989419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6718464, while the sum is 61.

The square root of 984989419 is about 31384.5410831511. The cubic root of 984989419 is about 994.9712268306.

The spelling of 984989419 in words is "nine hundred eighty-four million, nine hundred eighty-nine thousand, four hundred nineteen".