1845847872 has 336 divisors, whose sum is σ = 6270955200. Its totient is φ = 527938560.

The previous prime is 1845847837. The next prime is 1845847931. The reversal of 1845847872 is 2787485481.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6861754 + ... + 6862022.

Almost surely, 2^1845847872 is an apocalyptic number.

1845847872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1845847872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3135477600).

1845847872 is an abundant number, since it is smaller than the sum of its proper divisors (4425107328).

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

1845847872 is a wasteful number, since it uses less digits than its factorization.

1845847872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339 (or 304 counting only the distinct ones).

The product of its digits is 4014080, while the sum is 54.

The square root of 1845847872 is about 42963.3317143817. The cubic root of 1845847872 is about 1226.6819316521.

The spelling of 1845847872 in words is "one billion, eight hundred forty-five million, eight hundred forty-seven thousand, eight hundred seventy-two".