798880 has 24 divisors (see below), whose sum is σ = 1887732. Its totient is φ = 319488.

The previous prime is 798871. The next prime is 798887. The reversal of 798880 is 88897.

It can be written as a sum of positive squares in 2 ways, for example, as 781456 + 17424 = 884^2 + 132^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (798887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2337 + ... + 2656.

2⁷⁹⁸⁸⁸⁰ is an apocalyptic number.

It is an amenable number.

798880 is an abundant number, since it is smaller than the sum of its proper divisors (1088852).

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

798880 is a wasteful number, since it uses less digits than its factorization.

798880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5008 (or 5000 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 40.

The square root of 798880 is about 893.8008726780. The cubic root of 798880 is about 92.7884349440.

It can be divided in two parts, 79 and 8880, that multiplied together give a triangular number (701520 = T₁₁₈₄).

The spelling of 798880 in words is "seven hundred ninety-eight thousand, eight hundred eighty".