460391009 has 16 divisors (see below), whose sum is σ = 509196240. Its totient is φ = 413552640.

The previous prime is 460390993. The next prime is 460391017. The reversal of 460391009 is 900193064.

It can be written as a sum of positive squares in 8 ways, for example, as 73984 + 460317025 = 272^2 + 21455^2 .

It is a cyclic number.

It is not a de Polignac number, because 460391009 - 2⁴ = 460390993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (460391609) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270449 + ... + 272145.

It is an arithmetic number, because the mean of its divisors is an integer number (31824765).

Almost surely, 2^460391009 is an apocalyptic number.

It is an amenable number.

460391009 is a deficient number, since it is larger than the sum of its proper divisors (48805231).

460391009 is a wasteful number, since it uses less digits than its factorization.

460391009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2260.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 460391009 is about 21456.7240975877. The cubic root of 460391009 is about 772.1629235682.

The spelling of 460391009 in words is "four hundred sixty million, three hundred ninety-one thousand, nine".