488651906 has 8 divisors (see below), whose sum is σ = 733151100. Its totient is φ = 244268208.

The previous prime is 488651897. The next prime is 488651923. The reversal of 488651906 is 609156884.

It can be written as a sum of positive squares in 2 ways, for example, as 470239225 + 18412681 = 21685^2 + 4291^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 17381 + ... + 35768.

Almost surely, 2^488651906 is an apocalyptic number.

488651906 is a deficient number, since it is larger than the sum of its proper divisors (244499194).

488651906 is a wasteful number, since it uses less digits than its factorization.

488651906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57748.

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 488651906 is about 22105.4723089103. The cubic root of 488651906 is about 787.6498579678.

The spelling of 488651906 in words is "four hundred eighty-eight million, six hundred fifty-one thousand, nine hundred six".