460809021 has 8 divisors (see below), whose sum is σ = 650553984. Its totient is φ = 289135040.

The previous prime is 460809001. The next prime is 460809023. The reversal of 460809021 is 120908064.

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 460809021 - 2¹³ = 460800829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 460809021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (460809023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4517685 + ... + 4517786.

It is an arithmetic number, because the mean of its divisors is an integer number (81319248).

Almost surely, 2^460809021 is an apocalyptic number.

It is an amenable number.

460809021 is a deficient number, since it is larger than the sum of its proper divisors (189744963).

460809021 is a wasteful number, since it uses less digits than its factorization.

460809021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9035491.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 460809021 is about 21466.4627034824. The cubic root of 460809021 is about 772.3965479755.

The spelling of 460809021 in words is "four hundred sixty million, eight hundred nine thousand, twenty-one".