493934985 has 48 divisors (see below), whose sum is σ = 878042880. Its totient is φ = 256746240.

The previous prime is 493934981. The next prime is 493934993. The reversal of 493934985 is 589439394.

It is not a de Polignac number, because 493934985 - 2² = 493934981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (493934981) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 864750 + ... + 865320.

It is an arithmetic number, because the mean of its divisors is an integer number (18292560).

Almost surely, 2^493934985 is an apocalyptic number.

493934985 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

493934985 is a deficient number, since it is larger than the sum of its proper divisors (384107895).

493934985 is a wasteful number, since it uses less digits than its factorization.

493934985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038 (or 1035 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 54.

The square root of 493934985 is about 22224.6481411967. The cubic root of 493934985 is about 790.4782581843.

The spelling of 493934985 in words is "four hundred ninety-three million, nine hundred thirty-four thousand, nine hundred eighty-five".