461916859 has 4 divisors (see below), whose sum is σ = 463155616. Its totient is φ = 460678104.

The previous prime is 461916817. The next prime is 461916881. The reversal of 461916859 is 958619164.

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

It is a cyclic number.

It is not a de Polignac number, because 461916859 - 2²⁵ = 428362427 is a prime.

It is a super-3 number, since 3×461916859³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (461916899) 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, 618819 + ... + 619564.

It is an arithmetic number, because the mean of its divisors is an integer number (115788904).

Almost surely, 2^461916859 is an apocalyptic number.

461916859 is a deficient number, since it is larger than the sum of its proper divisors (1238757).

461916859 is a wasteful number, since it uses less digits than its factorization.

461916859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238756.

The product of its digits is 466560, while the sum is 49.

The square root of 461916859 is about 21492.2511384918. The cubic root of 461916859 is about 773.0150293828.

The spelling of 461916859 in words is "four hundred sixty-one million, nine hundred sixteen thousand, eight hundred fifty-nine".