494840859 has 8 divisors (see below), whose sum is σ = 660236880. Its totient is φ = 329669376.

The previous prime is 494840839. The next prime is 494840881. The reversal of 494840859 is 958048494.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 494840859 - 2⁹ = 494840347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (494840809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50922 + ... + 59855.

It is an arithmetic number, because the mean of its divisors is an integer number (82529610).

Almost surely, 2^494840859 is an apocalyptic number.

494840859 is a deficient number, since it is larger than the sum of its proper divisors (165396021).

494840859 is a wasteful number, since it uses less digits than its factorization.

494840859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112269.

The product of its (nonzero) digits is 1658880, while the sum is 51.

The square root of 494840859 is about 22245.0187457777. The cubic root of 494840859 is about 790.9612072973.

The spelling of 494840859 in words is "four hundred ninety-four million, eight hundred forty thousand, eight hundred fifty-nine".