494994587 has 4 divisors (see below), whose sum is σ = 495040176. Its totient is φ = 494949000.

The previous prime is 494994557. The next prime is 494994623. The reversal of 494994587 is 785499494.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 494994587 - 2¹⁰ = 494993563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494994557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3962 + ... + 31712.

It is an arithmetic number, because the mean of its divisors is an integer number (123760044).

Almost surely, 2^494994587 is an apocalyptic number.

494994587 is a deficient number, since it is larger than the sum of its proper divisors (45589).

494994587 is a wasteful number, since it uses less digits than its factorization.

494994587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45588.

The product of its digits is 13063680, while the sum is 59.

The square root of 494994587 is about 22248.4738128259. The cubic root of 494994587 is about 791.0431058802.

The spelling of 494994587 in words is "four hundred ninety-four million, nine hundred ninety-four thousand, five hundred eighty-seven".