494586999 has 8 divisors (see below), whose sum is σ = 732721520. Its totient is φ = 329724648.

The previous prime is 494586959. The next prime is 494587019. The reversal of 494586999 is 999685494.

494586999 is a `hidden beast` number, since 49 + 4 + 586 + 9 + 9 + 9 = 666.

It is not a de Polignac number, because 494586999 - 2¹² = 494582903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494586959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9158992 + ... + 9159045.

It is an arithmetic number, because the mean of its divisors is an integer number (91590190).

Almost surely, 2^494586999 is an apocalyptic number.

494586999 is a deficient number, since it is larger than the sum of its proper divisors (238134521).

494586999 is a wasteful number, since it uses less digits than its factorization.

494586999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18318046 (or 18318040 counting only the distinct ones).

The product of its digits is 25194240, while the sum is 63.

The square root of 494586999 is about 22239.3120172365. The cubic root of 494586999 is about 790.8259262571.

The spelling of 494586999 in words is "four hundred ninety-four million, five hundred eighty-six thousand, nine hundred ninety-nine".