598761 has 6 divisors (see below), whose sum is σ = 864890. Its totient is φ = 399168.

The previous prime is 598729. The next prime is 598777. The reversal of 598761 is 167895.

598761 is a `hidden beast` number, since 598 + 7 + 61 = 666.

It can be written as a sum of positive squares in only one way, i.e., 571536 + 27225 = 756^2 + 165^2 .

It is not a de Polignac number, because 598761 - 2⁵ = 598729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (598711) 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, 33256 + ... + 33273.

598761 is a Friedman number, since it can be written as 9+6^5*(78-1), using all its digits and the basic arithmetic operations.

2⁵⁹⁸⁷⁶¹ is an apocalyptic number.

It is an amenable number.

598761 is a deficient number, since it is larger than the sum of its proper divisors (266129).

598761 is a wasteful number, since it uses less digits than its factorization.

598761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66535 (or 66532 counting only the distinct ones).

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

The square root of 598761 is about 773.7964848718. The cubic root of 598761 is about 84.2851702404.

The spelling of 598761 in words is "five hundred ninety-eight thousand, seven hundred sixty-one".