689794311 has 48 divisors (see below), whose sum is σ = 1003363200. Its totient is φ = 421202496.

The previous prime is 689794307. The next prime is 689794327. The reversal of 689794311 is 113497986.

It is a happy number.

689794311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 689794311 - 2² = 689794307 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (689794331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4962480 + ... + 4962618.

It is an arithmetic number, because the mean of its divisors is an integer number (20903400).

Almost surely, 2^689794311 is an apocalyptic number.

689794311 is a deficient number, since it is larger than the sum of its proper divisors (313568889).

689794311 is a wasteful number, since it uses less digits than its factorization.

689794311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300 (or 277 counting only the distinct ones).

The product of its digits is 326592, while the sum is 48.

The square root of 689794311 is about 26263.9355580994. The cubic root of 689794311 is about 883.5677776033.

The spelling of 689794311 in words is "six hundred eighty-nine million, seven hundred ninety-four thousand, three hundred eleven".