460128889 has 4 divisors (see below), whose sum is σ = 501958800. Its totient is φ = 418298980.

The previous prime is 460128887. The next prime is 460128899. The reversal of 460128889 is 988821064.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 460128889 - 2¹ = 460128887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (460128887) 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, 20914939 + ... + 20914960.

It is an arithmetic number, because the mean of its divisors is an integer number (125489700).

Almost surely, 2^460128889 is an apocalyptic number.

It is an amenable number.

460128889 is a deficient number, since it is larger than the sum of its proper divisors (41829911).

460128889 is a wasteful number, since it uses less digits than its factorization.

460128889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41829910.

The product of its (nonzero) digits is 221184, while the sum is 46.

The square root of 460128889 is about 21450.6151193853. The cubic root of 460128889 is about 772.0163541194.

The spelling of 460128889 in words is "four hundred sixty million, one hundred twenty-eight thousand, eight hundred eighty-nine".