798090 has 32 divisors (see below), whose sum is σ = 1969920. Its totient is φ = 206784.

The previous prime is 798089. The next prime is 798097. The reversal of 798090 is 90897.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (798097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 751 + ... + 1469.

It is an arithmetic number, because the mean of its divisors is an integer number (61560).

2⁷⁹⁸⁰⁹⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 798090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (984960).

798090 is an abundant number, since it is smaller than the sum of its proper divisors (1171830).

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

798090 is a wasteful number, since it uses less digits than its factorization.

798090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766.

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 798090 is about 893.3588304819. The cubic root of 798090 is about 92.7578391768.

The spelling of 798090 in words is "seven hundred ninety-eight thousand, ninety".