490659949 has 8 divisors (see below), whose sum is σ = 533342880. Its totient is φ = 448682736.

The previous prime is 490659947. The next prime is 490659973. The reversal of 490659949 is 949956094.

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 490659949 - 2¹ = 490659947 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 490659949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490659947) 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 7 ways as a sum of consecutive naturals, for example, 174979 + ... + 177760.

It is an arithmetic number, because the mean of its divisors is an integer number (66667860).

Almost surely, 2^490659949 is an apocalyptic number.

It is an amenable number.

490659949 is a deficient number, since it is larger than the sum of its proper divisors (42682931).

490659949 is a wasteful number, since it uses less digits than its factorization.

490659949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352859.

The product of its (nonzero) digits is 3149280, while the sum is 55.

The square root of 490659949 is about 22150.8453337565. The cubic root of 490659949 is about 788.7272937993.

The spelling of 490659949 in words is "four hundred ninety million, six hundred fifty-nine thousand, nine hundred forty-nine".