494587 has 2 divisors, whose sum is σ = 494588. Its totient is φ = 494586.

The previous prime is 494567. The next prime is 494591. The reversal of 494587 is 785494.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 494587 - 2¹⁵ = 461819 is a prime.

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

494587 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (494567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247293 + 247294.

It is an arithmetic number, because the mean of its divisors is an integer number (247294).

2⁴⁹⁴⁵⁸⁷ is an apocalyptic number.

494587 is a deficient number, since it is larger than the sum of its proper divisors (1).

494587 is an equidigital number, since it uses as much as digits as its factorization.

494587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 37.

The square root of 494587 is about 703.2687964072. The cubic root of 494587 is about 79.0825926790.

It can be divided in two parts, 494 and 587, that added together give a triangular number (1081 = T₄₆).

The spelling of 494587 in words is "four hundred ninety-four thousand, five hundred eighty-seven".