689314036 has 6 divisors (see below), whose sum is σ = 1206299570. Its totient is φ = 344657016.

The previous prime is 689314027. The next prime is 689314039. The reversal of 689314036 is 630413986.

It can be written as a sum of positive squares in only one way, i.e., 660798436 + 28515600 = 25706^2 + 5340^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 689314036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689314039) by changing a digit.

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 as a sum of consecutive naturals, namely, 86164251 + ... + 86164258.

Almost surely, 2^689314036 is an apocalyptic number.

It is an amenable number.

689314036 is a deficient number, since it is larger than the sum of its proper divisors (516985534).

689314036 is a wasteful number, since it uses less digits than its factorization.

689314036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172328513 (or 172328511 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 689314036 is about 26254.7907247420. The cubic root of 689314036 is about 883.3626661989.

The spelling of 689314036 in words is "six hundred eighty-nine million, three hundred fourteen thousand, thirty-six".