983480891 has 2 divisors, whose sum is σ = 983480892. Its totient is φ = 983480890.

The previous prime is 983480843. The next prime is 983480903. The reversal of 983480891 is 198084389.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 983480891 - 2²⁶ = 916372027 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (983480801) 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, 491740445 + 491740446.

It is an arithmetic number, because the mean of its divisors is an integer number (491740446).

Almost surely, 2^983480891 is an apocalyptic number.

983480891 is a deficient number, since it is larger than the sum of its proper divisors (1).

983480891 is an equidigital number, since it uses as much as digits as its factorization.

983480891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 497664, while the sum is 50.

The square root of 983480891 is about 31360.4988959041. The cubic root of 983480891 is about 994.4630288683.

The spelling of 983480891 in words is "nine hundred eighty-three million, four hundred eighty thousand, eight hundred ninety-one".