460643409 has 16 divisors (see below), whose sum is σ = 685872000. Its totient is φ = 305548848.

The previous prime is 460643383. The next prime is 460643413. The reversal of 460643409 is 904346064.

460643409 is a `hidden beast` number, since 4 + 6 + 0 + 643 + 4 + 0 + 9 = 666.

It is not a de Polignac number, because 460643409 - 2¹¹ = 460641361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (460643419) 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, 37494 + ... + 48239.

It is an arithmetic number, because the mean of its divisors is an integer number (42867000).

Almost surely, 2^460643409 is an apocalyptic number.

It is an amenable number.

460643409 is a deficient number, since it is larger than the sum of its proper divisors (225228591).

460643409 is a wasteful number, since it uses less digits than its factorization.

460643409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85941 (or 85935 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 460643409 is about 21462.6048978217. The cubic root of 460643409 is about 772.3040053251.

The spelling of 460643409 in words is "four hundred sixty million, six hundred forty-three thousand, four hundred nine".