798242897 has 4 divisors (see below), whose sum is σ = 798863460. Its totient is φ = 797622336.

The previous prime is 798242881. The next prime is 798242909.

798242897 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 268828816 + 529414081 = 16396^2 + 23009^2 .

It is a cyclic number.

It is not a de Polignac number, because 798242897 - 2⁴ = 798242881 is a prime.

It is a super-2 number, since 2×798242897² = 1274383445221905218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (798242857) 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, 308348 + ... + 310925.

It is an arithmetic number, because the mean of its divisors is an integer number (199715865).

Almost surely, 2^798242897 is an apocalyptic number.

It is an amenable number.

798242897 is a deficient number, since it is larger than the sum of its proper divisors (620563).

798242897 is a wasteful number, since it uses less digits than its factorization.

798242897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620562.

The product of its digits is 4064256, while the sum is 56.

The square root of 798242897 is about 28253.1926868451. The cubic root of 798242897 is about 927.6376227226.

The spelling of 798242897 in words is "seven hundred ninety-eight million, two hundred forty-two thousand, eight hundred ninety-seven".