798242517 has 12 divisors (see below), whose sum is σ = 1168812684. Its totient is φ = 524871360.

The previous prime is 798242507. The next prime is 798242519. The reversal of 798242517 is 715242897.

It is a happy number.

798242517 is a `hidden beast` number, since 7 + 98 + 2 + 42 + 517 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 315737361 + 482505156 = 17769^2 + 21966^2 .

It is not a de Polignac number, because 798242517 - 2⁶ = 798242453 is a prime.

It is a super-2 number, since 2×798242517² = 1274382231892990578, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (798242519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 606834 + ... + 608147.

It is an arithmetic number, because the mean of its divisors is an integer number (97401057).

Almost surely, 2^798242517 is an apocalyptic number.

It is an amenable number.

798242517 is a deficient number, since it is larger than the sum of its proper divisors (370570167).

798242517 is a wasteful number, since it uses less digits than its factorization.

798242517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215060 (or 1215057 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 798242517 is about 28253.1859619406. The cubic root of 798242517 is about 927.6374755233.

The spelling of 798242517 in words is "seven hundred ninety-eight million, two hundred forty-two thousand, five hundred seventeen".