461598869 has 4 divisors (see below), whose sum is σ = 472857420. Its totient is φ = 450340320.

The previous prime is 461598859. The next prime is 461598911. The reversal of 461598869 is 968895164.

It is a happy number.

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 56100100 + 405498769 = 7490^2 + 20137^2 .

It is a cyclic number.

It is not a de Polignac number, because 461598869 - 2⁴ = 461598853 is a prime.

It is a super-2 number, since 2×461598869² = 426147031724158322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461598859) 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, 5629214 + ... + 5629295.

It is an arithmetic number, because the mean of its divisors is an integer number (118214355).

Almost surely, 2^461598869 is an apocalyptic number.

It is an amenable number.

461598869 is a deficient number, since it is larger than the sum of its proper divisors (11258551).

461598869 is a wasteful number, since it uses less digits than its factorization.

461598869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11258550.

The product of its digits is 3732480, while the sum is 56.

The square root of 461598869 is about 21484.8520823393. The cubic root of 461598869 is about 772.8376038912.

The spelling of 461598869 in words is "four hundred sixty-one million, five hundred ninety-eight thousand, eight hundred sixty-nine".