494208819 has 48 divisors (see below), whose sum is σ = 818161344. Its totient is φ = 284774400.

The previous prime is 494208811. The next prime is 494208863. The reversal of 494208819 is 918802494.

It is not a de Polignac number, because 494208819 - 2³ = 494208811 is a prime.

It is a super-2 number, since 2×494208819² = 488484713554749522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (494208811) 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, 478834 + ... + 479864.

It is an arithmetic number, because the mean of its divisors is an integer number (17045028).

Almost surely, 2^494208819 is an apocalyptic number.

494208819 is a deficient number, since it is larger than the sum of its proper divisors (323952525).

494208819 is a wasteful number, since it uses less digits than its factorization.

494208819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308 (or 1305 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 494208819 is about 22230.8078800569. The cubic root of 494208819 is about 790.6243096829.

The spelling of 494208819 in words is "four hundred ninety-four million, two hundred eight thousand, eight hundred nineteen".