490483688 has 8 divisors (see below), whose sum is σ = 919656930. Its totient is φ = 245241840.

The previous prime is 490483663. The next prime is 490483709. The reversal of 490483688 is 886384094.

It can be written as a sum of positive squares in only one way, i.e., 486555364 + 3928324 = 22058^2 + 1982^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 30655223 + ... + 30655238.

Almost surely, 2^490483688 is an apocalyptic number.

It is an amenable number.

490483688 is a deficient number, since it is larger than the sum of its proper divisors (429173242).

490483688 is a wasteful number, since it uses less digits than its factorization.

490483688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61310467 (or 61310463 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 50.

The square root of 490483688 is about 22146.8663246067. The cubic root of 490483688 is about 788.6328369953.

The spelling of 490483688 in words is "four hundred ninety million, four hundred eighty-three thousand, six hundred eighty-eight".