798841209 has 4 divisors (see below), whose sum is σ = 1065121616. Its totient is φ = 532560804.

The previous prime is 798841207. The next prime is 798841231. The reversal of 798841209 is 902148897.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 798841209 - 2¹ = 798841207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (798841207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133140199 + ... + 133140204.

It is an arithmetic number, because the mean of its divisors is an integer number (266280404).

Almost surely, 2^798841209 is an apocalyptic number.

It is an amenable number.

798841209 is a deficient number, since it is larger than the sum of its proper divisors (266280407).

798841209 is a wasteful number, since it uses less digits than its factorization.

798841209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266280406.

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

The square root of 798841209 is about 28263.7790997595. The cubic root of 798841209 is about 927.8693308542.

The spelling of 798841209 in words is "seven hundred ninety-eight million, eight hundred forty-one thousand, two hundred nine".