798230640 has 160 divisors (see below), whose sum is σ = 2645830656. Its totient is φ = 198584320.

The previous prime is 798230639. The next prime is 798230659. The reversal of 798230640 is 46032897.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 224557 + ... + 228083.

Almost surely, 2^798230640 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 798230640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1322915328).

798230640 is an abundant number, since it is smaller than the sum of its proper divisors (1847600016).

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

798230640 is a wasteful number, since it uses less digits than its factorization.

798230640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3607 (or 3601 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 798230640 is about 28252.9757724740. The cubic root of 798230640 is about 927.6328747474.

The spelling of 798230640 in words is "seven hundred ninety-eight million, two hundred thirty thousand, six hundred forty".