430987 has 2 divisors, whose sum is σ = 430988. Its totient is φ = 430986.

The previous prime is 430981. The next prime is 430999. The reversal of 430987 is 789034.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 430987 - 2³ = 430979 is a prime.

It is an alternating number because its digits alternate between even and odd.

430987 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (430981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215493 + 215494.

It is an arithmetic number, because the mean of its divisors is an integer number (215494).

2⁴³⁰⁹⁸⁷ is an apocalyptic number.

430987 is a deficient number, since it is larger than the sum of its proper divisors (1).

430987 is an equidigital number, since it uses as much as digits as its factorization.

430987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 430987 is about 656.4960015111. The cubic root of 430987 is about 75.5361287841.

The spelling of 430987 in words is "four hundred thirty thousand, nine hundred eighty-seven".