798891420 has 96 divisors (see below), whose sum is σ = 2376763200. Its totient is φ = 200116224.

The previous prime is 798891409. The next prime is 798891433. The reversal of 798891420 is 24198897.

It is a self number, because there is not a number n which added to its sum of digits gives 798891420.

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, 58176 + ... + 70584.

It is an arithmetic number, because the mean of its divisors is an integer number (24757950).

Almost surely, 2^798891420 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 798891420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1188381600).

798891420 is an abundant number, since it is smaller than the sum of its proper divisors (1577871780).

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

798891420 is a wasteful number, since it uses less digits than its factorization.

798891420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12487 (or 12485 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 48.

The square root of 798891420 is about 28264.6673428151. The cubic root of 798891420 is about 927.8887707923. Note that the first 3 decimals are identical.

The spelling of 798891420 in words is "seven hundred ninety-eight million, eight hundred ninety-one thousand, four hundred twenty".