1797386844 has 48 divisors (see below), whose sum is σ = 4608608256. Its totient is φ = 540681600.

The previous prime is 1797386839. The next prime is 1797386849. The reversal of 1797386844 is 4486837971.

1797386844 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1797386839) and next prime (1797386849).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1797386849) 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, 31612 + ... + 67779.

It is an arithmetic number, because the mean of its divisors is an integer number (96012672).

Almost surely, 2^1797386844 is an apocalyptic number.

It is an amenable number.

1797386844 is an abundant number, since it is smaller than the sum of its proper divisors (2811221412).

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

1797386844 is a wasteful number, since it uses less digits than its factorization.

1797386844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99546 (or 99544 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 57.

The square root of 1797386844 is about 42395.5993471021. The cubic root of 1797386844 is about 1215.8514568883.

The spelling of 1797386844 in words is "one billion, seven hundred ninety-seven million, three hundred eighty-six thousand, eight hundred forty-four".