460666889 has 2 divisors, whose sum is σ = 460666890. Its totient is φ = 460666888.

The previous prime is 460666879. The next prime is 460666903. The reversal of 460666889 is 988666064.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 412780489 + 47886400 = 20317^2 + 6920^2 .

It is a cyclic number.

It is not a de Polignac number, because 460666889 - 2⁴ = 460666873 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 460666889.

It is not a weakly prime, because it can be changed into another prime (460666879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230333444 + 230333445.

It is an arithmetic number, because the mean of its divisors is an integer number (230333445).

Almost surely, 2^460666889 is an apocalyptic number.

It is an amenable number.

460666889 is a deficient number, since it is larger than the sum of its proper divisors (1).

460666889 is an equidigital number, since it uses as much as digits as its factorization.

460666889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2985984, while the sum is 53.

The square root of 460666889 is about 21463.1518887604. The cubic root of 460666889 is about 772.3171271091.

The spelling of 460666889 in words is "four hundred sixty million, six hundred sixty-six thousand, eight hundred eighty-nine".