798504894 has 72 divisors (see below), whose sum is σ = 1908027576. Its totient is φ = 241164000.

The previous prime is 798504893. The next prime is 798504899. The reversal of 798504894 is 498405897.

It is a super-2 number, since 2×798504894² = 1275220131483902472, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 798504894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (798504893) 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 35 ways as a sum of consecutive naturals, for example, 1138744 + ... + 1139444.

It is an arithmetic number, because the mean of its divisors is an integer number (26500383).

Almost surely, 2^798504894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 798504894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (954013788).

798504894 is an abundant number, since it is smaller than the sum of its proper divisors (1109522682).

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

798504894 is a wasteful number, since it uses less digits than its factorization.

798504894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254 (or 1240 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The square root of 798504894 is about 28257.8288974932. The cubic root of 798504894 is about 927.7391004767.

The spelling of 798504894 in words is "seven hundred ninety-eight million, five hundred four thousand, eight hundred ninety-four".