494803909 has 8 divisors (see below), whose sum is σ = 521900000. Its totient is φ = 467813232.

The previous prime is 494803889. The next prime is 494803951. The reversal of 494803909 is 909308494.

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

It is a cyclic number.

It is not a de Polignac number, because 494803909 - 2⁵ = 494803877 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 (494807909) 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, 16614 + ... + 35575.

It is an arithmetic number, because the mean of its divisors is an integer number (65237500).

Almost surely, 2^494803909 is an apocalyptic number.

It is an amenable number.

494803909 is a deficient number, since it is larger than the sum of its proper divisors (27096091).

494803909 is a wasteful number, since it uses less digits than its factorization.

494803909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52707.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 494803909 is about 22244.1882072599. The cubic root of 494803909 is about 790.9415196587.

The spelling of 494803909 in words is "four hundred ninety-four million, eight hundred three thousand, nine hundred nine".