1827387996 has 96 divisors (see below), whose sum is σ = 5096275968. Its totient is φ = 498294720.

The previous prime is 1827387937. The next prime is 1827387997. The reversal of 1827387996 is 6997837281.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1827387997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1241541 + ... + 1243011.

It is an arithmetic number, because the mean of its divisors is an integer number (53086208).

Almost surely, 2^1827387996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1827387996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2548137984).

1827387996 is an abundant number, since it is smaller than the sum of its proper divisors (3268887972).

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

1827387996 is a wasteful number, since it uses less digits than its factorization.

1827387996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151 (or 2149 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 60.

The square root of 1827387996 is about 42747.9589688210. The cubic root of 1827387996 is about 1222.5789742433.

The spelling of 1827387996 in words is "one billion, eight hundred twenty-seven million, three hundred eighty-seven thousand, nine hundred ninety-six".