798322398 has 16 divisors (see below), whose sum is σ = 1635587856. Its totient is φ = 259616960.

The previous prime is 798322361. The next prime is 798322403. The reversal of 798322398 is 893223897.

It is a happy number.

It is a super-2 number, since 2×798322398² = 1274637302296940808, 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 798322398.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1622361 + ... + 1622852.

It is an arithmetic number, because the mean of its divisors is an integer number (102224241).

Almost surely, 2^798322398 is an apocalyptic number.

798322398 is an abundant number, since it is smaller than the sum of its proper divisors (837265458).

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

798322398 is a wasteful number, since it uses less digits than its factorization.

798322398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3245259.

The product of its digits is 1306368, while the sum is 51.

The square root of 798322398 is about 28254.5995901552. The cubic root of 798322398 is about 927.6684177228.

It can be divided in two parts, 7983 and 22398, that added together give a triangular number (30381 = T₂₄₆).

The spelling of 798322398 in words is "seven hundred ninety-eight million, three hundred twenty-two thousand, three hundred ninety-eight".