1838483843 has 4 divisors (see below), whose sum is σ = 2101124400. Its totient is φ = 1575843288.

The previous prime is 1838483809. The next prime is 1838483851. The reversal of 1838483843 is 3483848381.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1838483843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1838483791 and 1838483800.

It is not an unprimeable number, because it can be changed into a prime (1838483893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131320268 + ... + 131320281.

It is an arithmetic number, because the mean of its divisors is an integer number (525281100).

Almost surely, 2^1838483843 is an apocalyptic number.

1838483843 is a deficient number, since it is larger than the sum of its proper divisors (262640557).

1838483843 is an equidigital number, since it uses as much as digits as its factorization.

1838483843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262640556.

The product of its digits is 1769472, while the sum is 50.

The square root of 1838483843 is about 42877.5447408081. The cubic root of 1838483843 is about 1225.0484707740.

The spelling of 1838483843 in words is "one billion, eight hundred thirty-eight million, four hundred eighty-three thousand, eight hundred forty-three".