240466987 has 2 divisors, whose sum is σ = 240466988. Its totient is φ = 240466986.

The previous prime is 240466981. The next prime is 240466991. The reversal of 240466987 is 789664042.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 240466987 - 2¹⁵ = 240434219 is a prime.

It is not a weakly prime, because it can be changed into another prime (240466981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120233493 + 120233494.

It is an arithmetic number, because the mean of its divisors is an integer number (120233494).

Almost surely, 2^240466987 is an apocalyptic number.

240466987 is a deficient number, since it is larger than the sum of its proper divisors (1).

240466987 is an equidigital number, since it uses as much as digits as its factorization.

240466987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 46.

The square root of 240466987 is about 15506.9980009027. The cubic root of 240466987 is about 621.8493059323.

The spelling of 240466987 in words is "two hundred forty million, four hundred sixty-six thousand, nine hundred eighty-seven".