1798338971 has 16 divisors (see below), whose sum is σ = 2125263840. Its totient is φ = 1509075360.

The previous prime is 1798338967. The next prime is 1798338977.

1798338971 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1798338971 - 2² = 1798338967 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1798338977) 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 in 15 ways as a sum of consecutive naturals, for example, 13040 + ... + 61373.

It is an arithmetic number, because the mean of its divisors is an integer number (132828990).

Almost surely, 2^1798338971 is an apocalyptic number.

1798338971 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1798338971 is a deficient number, since it is larger than the sum of its proper divisors (326924869).

1798338971 is an equidigital number, since it uses as much as digits as its factorization.

1798338971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74463 (or 74437 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 56.

The square root of 1798338971 is about 42406.8269385956. The cubic root of 1798338971 is about 1216.0661093715.

The spelling of 1798338971 in words is "one billion, seven hundred ninety-eight million, three hundred thirty-eight thousand, nine hundred seventy-one".