684482587 has 2 divisors, whose sum is σ = 684482588. Its totient is φ = 684482586.

The previous prime is 684482549. The next prime is 684482633. The reversal of 684482587 is 785284486.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 684482587 - 2¹⁵ = 684449819 is a prime.

It is not a weakly prime, because it can be changed into another prime (684482527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 342241293 + 342241294.

It is an arithmetic number, because the mean of its divisors is an integer number (342241294).

Almost surely, 2^684482587 is an apocalyptic number.

684482587 is a deficient number, since it is larger than the sum of its proper divisors (1).

684482587 is an equidigital number, since it uses as much as digits as its factorization.

684482587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3440640, while the sum is 52.

The square root of 684482587 is about 26162.6181220458. The cubic root of 684482587 is about 881.2939757610.

The spelling of 684482587 in words is "six hundred eighty-four million, four hundred eighty-two thousand, five hundred eighty-seven".