689276992 has 28 divisors (see below), whose sum is σ = 1372903020. Its totient is φ = 343348736.

The previous prime is 689276989. The next prime is 689276993. The reversal of 689276992 is 299672986.

It can be written as a sum of positive squares in 2 ways, for example, as 264257536 + 425019456 = 16256^2 + 20616^2 .

It is not an unprimeable number, because it can be changed into a prime (689276993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2803 + ... + 37234.

Almost surely, 2^689276992 is an apocalyptic number.

It is an amenable number.

689276992 is a deficient number, since it is larger than the sum of its proper divisors (683626028).

689276992 is a wasteful number, since it uses less digits than its factorization.

689276992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40318 (or 40308 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 58.

The square root of 689276992 is about 26254.0852440149. The cubic root of 689276992 is about 883.3468418329.

The spelling of 689276992 in words is "six hundred eighty-nine million, two hundred seventy-six thousand, nine hundred ninety-two".