798721364 has 36 divisors (see below), whose sum is σ = 1682048340. Its totient is φ = 330503040.

The previous prime is 798721351. The next prime is 798721423. The reversal of 798721364 is 463127897.

It can be written as a sum of positive squares in 2 ways, for example, as 370562500 + 428158864 = 19250^2 + 20692^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64577 + ... + 75944.

It is an arithmetic number, because the mean of its divisors is an integer number (46723565).

Almost surely, 2^798721364 is an apocalyptic number.

It is an amenable number.

798721364 is an abundant number, since it is smaller than the sum of its proper divisors (883326976).

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

798721364 is a wasteful number, since it uses less digits than its factorization.

798721364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140568 (or 140559 counting only the distinct ones).

The product of its digits is 508032, while the sum is 47.

The square root of 798721364 is about 28261.6589038931. The cubic root of 798721364 is about 927.8229277810.

The spelling of 798721364 in words is "seven hundred ninety-eight million, seven hundred twenty-one thousand, three hundred sixty-four".