1843918842 has 32 divisors (see below), whose sum is σ = 3740792832. Its totient is φ = 605876544.

The previous prime is 1843918807. The next prime is 1843918849. The reversal of 1843918842 is 2488193481.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1843918791 and 1843918800.

It is not an unprimeable number, because it can be changed into a prime (1843918849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111928 + ... + 127340.

It is an arithmetic number, because the mean of its divisors is an integer number (116899776).

Almost surely, 2^1843918842 is an apocalyptic number.

1843918842 is an abundant number, since it is smaller than the sum of its proper divisors (1896873990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1843918842 is a wasteful number, since it uses less digits than its factorization.

1843918842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15702.

The product of its digits is 442368, while the sum is 48.

The square root of 1843918842 is about 42940.8761205451. The cubic root of 1843918842 is about 1226.2544621451.

The spelling of 1843918842 in words is "one billion, eight hundred forty-three million, nine hundred eighteen thousand, eight hundred forty-two".