460865389 has 2 divisors, whose sum is σ = 460865390. Its totient is φ = 460865388.

The previous prime is 460865239. The next prime is 460865399. The reversal of 460865389 is 983568064.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 387420489 + 73444900 = 19683^2 + 8570^2 .

It is a cyclic number.

It is not a de Polignac number, because 460865389 - 2¹³ = 460857197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (460865399) 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 as a sum of consecutive naturals, namely, 230432694 + 230432695.

It is an arithmetic number, because the mean of its divisors is an integer number (230432695).

Almost surely, 2^460865389 is an apocalyptic number.

It is an amenable number.

460865389 is a deficient number, since it is larger than the sum of its proper divisors (1).

460865389 is an equidigital number, since it uses as much as digits as its factorization.

460865389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The square root of 460865389 is about 21467.7755950634. The cubic root of 460865389 is about 772.4280409017.

The spelling of 460865389 in words is "four hundred sixty million, eight hundred sixty-five thousand, three hundred eighty-nine".