604867987 has 2 divisors, whose sum is σ = 604867988. Its totient is φ = 604867986.

The previous prime is 604867979. The next prime is 604867997. The reversal of 604867987 is 789768406.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 604867987 - 2³ = 604867979 is a prime.

It is not a weakly prime, because it can be changed into another prime (604867927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 302433993 + 302433994.

It is an arithmetic number, because the mean of its divisors is an integer number (302433994).

Almost surely, 2^604867987 is an apocalyptic number.

604867987 is a deficient number, since it is larger than the sum of its proper divisors (1).

604867987 is an equidigital number, since it uses as much as digits as its factorization.

604867987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4064256, while the sum is 55.

The square root of 604867987 is about 24594.0640602565. The cubic root of 604867987 is about 845.7075348019.

The spelling of 604867987 in words is "six hundred four million, eight hundred sixty-seven thousand, nine hundred eighty-seven".