997838483 has 2 divisors, whose sum is σ = 997838484. Its totient is φ = 997838482.

The previous prime is 997838461. The next prime is 997838507. The reversal of 997838483 is 384838799.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-997838483 is a prime.

It is not a weakly prime, because it can be changed into another prime (997838423) 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, 498919241 + 498919242.

It is an arithmetic number, because the mean of its divisors is an integer number (498919242).

Almost surely, 2^997838483 is an apocalyptic number.

997838483 is a deficient number, since it is larger than the sum of its proper divisors (1).

997838483 is an equidigital number, since it uses as much as digits as its factorization.

997838483 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10450944, while the sum is 59.

The square root of 997838483 is about 31588.5815287740. The cubic root of 997838483 is about 999.2789745806.

The spelling of 997838483 in words is "nine hundred ninety-seven million, eight hundred thirty-eight thousand, four hundred eighty-three".