400230587 has 2 divisors, whose sum is σ = 400230588. Its totient is φ = 400230586.

The previous prime is 400230581. The next prime is 400230619. The reversal of 400230587 is 785032004.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 400230587 - 2¹⁴ = 400214203 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (400230581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200115293 + 200115294.

It is an arithmetic number, because the mean of its divisors is an integer number (200115294).

Almost surely, 2^400230587 is an apocalyptic number.

400230587 is a deficient number, since it is larger than the sum of its proper divisors (1).

400230587 is an equidigital number, since it uses as much as digits as its factorization.

400230587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 400230587 is about 20005.7638444524. The cubic root of 400230587 is about 736.9478541596.

The spelling of 400230587 in words is "four hundred million, two hundred thirty thousand, five hundred eighty-seven".