798022656 has 132 divisors (see below), whose sum is σ = 2325375624. Its totient is φ = 263577600.

The previous prime is 798022649. The next prime is 798022703. The reversal of 798022656 is 656220897.

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, 1206966 + ... + 1207626.

It is an arithmetic number, because the mean of its divisors is an integer number (17616482).

Almost surely, 2^798022656 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 798022656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1162687812).

798022656 is an abundant number, since it is smaller than the sum of its proper divisors (1527352968).

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

798022656 is a wasteful number, since it uses less digits than its factorization.

798022656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818 (or 797 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 798022656 is about 28249.2947876580. The cubic root of 798022656 is about 927.5523008943.

The spelling of 798022656 in words is "seven hundred ninety-eight million, twenty-two thousand, six hundred fifty-six".