494024409 has 12 divisors (see below), whose sum is σ = 714338352. Its totient is φ = 329004600.

The previous prime is 494024393. The next prime is 494024411. The reversal of 494024409 is 904420494.

It is a happy number.

It is not a de Polignac number, because 494024409 - 2⁴ = 494024393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (494024459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19527 + ... + 37004.

It is an arithmetic number, because the mean of its divisors is an integer number (59528196).

Almost surely, 2^494024409 is an apocalyptic number.

It is an amenable number.

494024409 is a deficient number, since it is larger than the sum of its proper divisors (220313943).

494024409 is a wasteful number, since it uses less digits than its factorization.

494024409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57508 (or 57505 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 494024409 is about 22226.6598705249. The cubic root of 494024409 is about 790.5259591061.

The spelling of 494024409 in words is "four hundred ninety-four million, twenty-four thousand, four hundred nine".