989440483 has 2 divisors, whose sum is σ = 989440484. Its totient is φ = 989440482.

The previous prime is 989440429. The next prime is 989440489. The reversal of 989440483 is 384044989.

It is a strong prime.

It is an emirp because it is prime and its reverse (384044989) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 989440483 - 2¹⁷ = 989309411 is a prime.

It is not a weakly prime, because it can be changed into another prime (989440489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494720241 + 494720242.

It is an arithmetic number, because the mean of its divisors is an integer number (494720242).

Almost surely, 2^989440483 is an apocalyptic number.

989440483 is a deficient number, since it is larger than the sum of its proper divisors (1).

989440483 is an equidigital number, since it uses as much as digits as its factorization.

989440483 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 995328, while the sum is 49.

The square root of 989440483 is about 31455.3728796846. The cubic root of 989440483 is about 996.4676985374.

The spelling of 989440483 in words is "nine hundred eighty-nine million, four hundred forty thousand, four hundred eighty-three".