689508296 has 16 divisors (see below), whose sum is σ = 1294967040. Its totient is φ = 344183760.

The previous prime is 689508289. The next prime is 689508317. The reversal of 689508296 is 692805986.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66140 + ... + 75851.

It is an arithmetic number, because the mean of its divisors is an integer number (80935440).

Almost surely, 2^689508296 is an apocalyptic number.

It is an amenable number.

689508296 is a deficient number, since it is larger than the sum of its proper divisors (605458744).

689508296 is a wasteful number, since it uses less digits than its factorization.

689508296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142604 (or 142600 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 53.

The square root of 689508296 is about 26258.4899794333. The cubic root of 689508296 is about 883.4456404337.

The spelling of 689508296 in words is "six hundred eighty-nine million, five hundred eight thousand, two hundred ninety-six".