1849473844 has 12 divisors (see below), whose sum is σ = 3241322784. Its totient is φ = 923381624.

The previous prime is 1849473841. The next prime is 1849473859. The reversal of 1849473844 is 4483749481.

It is a junction number, because it is equal to n+sod(n) for n = 1849473791 and 1849473800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1849473841) 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, 335752 + ... + 341215.

It is an arithmetic number, because the mean of its divisors is an integer number (270110232).

Almost surely, 2^1849473844 is an apocalyptic number.

It is an amenable number.

1849473844 is a deficient number, since it is larger than the sum of its proper divisors (1391848940).

1849473844 is a wasteful number, since it uses less digits than its factorization.

1849473844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677654 (or 677652 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 52.

The square root of 1849473844 is about 43005.5094609981. The cubic root of 1849473844 is about 1227.4846350409.

The spelling of 1849473844 in words is "one billion, eight hundred forty-nine million, four hundred seventy-three thousand, eight hundred forty-four".