494099985 has 32 divisors (see below), whose sum is σ = 840913920. Its totient is φ = 246878208.

The previous prime is 494099933. The next prime is 494099987. The reversal of 494099985 is 589990494.

It is not a de Polignac number, because 494099985 - 2⁷ = 494099857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (494099987) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52521 + ... + 61209.

It is an arithmetic number, because the mean of its divisors is an integer number (26278560).

Almost surely, 2^494099985 is an apocalyptic number.

It is an amenable number.

494099985 is a deficient number, since it is larger than the sum of its proper divisors (346813935).

494099985 is a wasteful number, since it uses less digits than its factorization.

494099985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8937.

The product of its (nonzero) digits is 4199040, while the sum is 57.

The square root of 494099985 is about 22228.3599260044. The cubic root of 494099985 is about 790.5662686822.

The spelling of 494099985 in words is "four hundred ninety-four million, ninety-nine thousand, nine hundred eighty-five".