523606648 has 16 divisors (see below), whose sum is σ = 982066680. Its totient is φ = 261722208.

The previous prime is 523606639. The next prime is 523606667. The reversal of 523606648 is 846606325.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 523606648.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 24090 + ... + 40342.

Almost surely, 2^523606648 is an apocalyptic number.

It is an amenable number.

523606648 is a deficient number, since it is larger than the sum of its proper divisors (458460032).

523606648 is a wasteful number, since it uses less digits than its factorization.

523606648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20286 (or 20282 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The square root of 523606648 is about 22882.4528405501. The cubic root of 523606648 is about 806.0000164195. Note that the first 4 decimals are identical.

The spelling of 523606648 in words is "five hundred twenty-three million, six hundred six thousand, six hundred forty-eight".