490805329 has 8 divisors (see below), whose sum is σ = 570116288. Its totient is φ = 413793360.

The previous prime is 490805327. The next prime is 490805347. The reversal of 490805329 is 923508094.

It is a happy number.

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 490805329 - 2¹ = 490805327 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 490805291 and 490805300.

It is not an unprimeable number, because it can be changed into a prime (490805323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 574287 + ... + 575140.

It is an arithmetic number, because the mean of its divisors is an integer number (71264536).

Almost surely, 2^490805329 is an apocalyptic number.

It is an amenable number.

490805329 is a deficient number, since it is larger than the sum of its proper divisors (79310959).

490805329 is a wasteful number, since it uses less digits than its factorization.

490805329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149495.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 490805329 is about 22154.1266810497. The cubic root of 490805329 is about 788.8051847100.

The spelling of 490805329 in words is "four hundred ninety million, eight hundred five thousand, three hundred twenty-nine".