461984889 has 8 divisors (see below), whose sum is σ = 623401632. Its totient is φ = 304279040.

The previous prime is 461984839. The next prime is 461984933. The reversal of 461984889 is 988489164.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 461984889 - 2¹² = 461980793 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (461984839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 927432 + ... + 927929.

It is an arithmetic number, because the mean of its divisors is an integer number (77925204).

Almost surely, 2^461984889 is an apocalyptic number.

It is an amenable number.

461984889 is a deficient number, since it is larger than the sum of its proper divisors (161416743).

461984889 is a wasteful number, since it uses less digits than its factorization.

461984889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855447.

The product of its digits is 3981312, while the sum is 57.

The square root of 461984889 is about 21493.8337436577. The cubic root of 461984889 is about 773.0529767824.

The spelling of 461984889 in words is "four hundred sixty-one million, nine hundred eighty-four thousand, eight hundred eighty-nine".