798001644 has 96 divisors (see below), whose sum is σ = 2106720000. Its totient is φ = 232968960.

The previous prime is 798001643. The next prime is 798001649. The reversal of 798001644 is 446100897.

It is a happy number.

798001644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (798001643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 531607 + ... + 533105.

It is an arithmetic number, because the mean of its divisors is an integer number (21945000).

Almost surely, 2^798001644 is an apocalyptic number.

798001644 is a gapful number since it is divisible by the number (74) 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 798001644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1053360000).

798001644 is an abundant number, since it is smaller than the sum of its proper divisors (1308718356).

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

798001644 is a wasteful number, since it uses less digits than its factorization.

798001644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663 (or 1661 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 798001644 is about 28248.9228821207. The cubic root of 798001644 is about 927.5441599809.

The spelling of 798001644 in words is "seven hundred ninety-eight million, one thousand, six hundred forty-four".