494540985 has 16 divisors (see below), whose sum is σ = 816791040. Its totient is φ = 255246720.

The previous prime is 494540953. The next prime is 494541013. The reversal of 494540985 is 589045494.

It is not a de Polignac number, because 494540985 - 2⁵ = 494540953 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 531300 + ... + 532229.

It is an arithmetic number, because the mean of its divisors is an integer number (51049440).

Almost surely, 2^494540985 is an apocalyptic number.

It is an amenable number.

494540985 is a deficient number, since it is larger than the sum of its proper divisors (322250055).

494540985 is a wasteful number, since it uses less digits than its factorization.

494540985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063568.

The product of its (nonzero) digits is 1036800, while the sum is 48.

The square root of 494540985 is about 22238.2774737613. The cubic root of 494540985 is about 790.8014006140.

It can be divided in two parts, 4945409 and 85, that added together give a palindrome (4945494).

The spelling of 494540985 in words is "four hundred ninety-four million, five hundred forty thousand, nine hundred eighty-five".