798561 has 6 divisors (see below), whose sum is σ = 1153490. Its totient is φ = 532368.

The previous prime is 798533. The next prime is 798569. The reversal of 798561 is 165897.

798561 is a `hidden beast` number, since 7 + 98 + 561 = 666.

798561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 553536 + 245025 = 744^2 + 495^2 .

It is not a de Polignac number, because 798561 - 2¹³ = 790369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (798569) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44356 + ... + 44373.

2⁷⁹⁸⁵⁶¹ is an apocalyptic number.

It is an amenable number.

798561 is a deficient number, since it is larger than the sum of its proper divisors (354929).

798561 is a wasteful number, since it uses less digits than its factorization.

798561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88735 (or 88732 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 798561 is about 893.6224034792. The cubic root of 798561 is about 92.7760828797.

The spelling of 798561 in words is "seven hundred ninety-eight thousand, five hundred sixty-one".