798458049 has 9 divisors (see below), whose sum is σ = 1153450753. Its totient is φ = 532248852.

The previous prime is 798457999. The next prime is 798458051. The reversal of 798458049 is 940854897.

The square root of 798458049 is 28257.

It is a perfect power (a square), and thus also a powerful number.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 798458049 - 2²¹ = 796360897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 798457986 and 798458004.

It is not an unprimeable number, because it can be changed into a prime (798458069) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 80062 + ... + 89480.

Almost surely, 2^798458049 is an apocalyptic number.

798458049 is the 28257-th square number.

798458049 is the 14129-th centered octagonal number.

It is an amenable number.

798458049 is a deficient number, since it is larger than the sum of its proper divisors (354992704).

798458049 is an frugal number, since it uses more digits than its factorization.

798458049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18844 (or 9422 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The cubic root of 798458049 is about 927.7209579087.

The spelling of 798458049 in words is "seven hundred ninety-eight million, four hundred fifty-eight thousand, forty-nine".