490325997 has 24 divisors (see below), whose sum is σ = 786736800. Its totient is φ = 270522336.

The previous prime is 490325993. The next prime is 490326007. The reversal of 490325997 is 799523094.

It is not a de Polignac number, because 490325997 - 2² = 490325993 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490325993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53247 + ... + 61772.

It is an arithmetic number, because the mean of its divisors is an integer number (32780700).

Almost surely, 2^490325997 is an apocalyptic number.

It is an amenable number.

490325997 is a deficient number, since it is larger than the sum of its proper divisors (296410803).

490325997 is a wasteful number, since it uses less digits than its factorization.

490325997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115065 (or 115058 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 48.

The square root of 490325997 is about 22143.3059184937. The cubic root of 490325997 is about 788.5483125191.

The spelling of 490325997 in words is "four hundred ninety million, three hundred twenty-five thousand, nine hundred ninety-seven".