691691336 has 16 divisors (see below), whose sum is σ = 1482195840. Its totient is φ = 296439120.

The previous prime is 691691327. The next prime is 691691347. The reversal of 691691336 is 633196196.

691691336 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6175760 + ... + 6175871.

It is an arithmetic number, because the mean of its divisors is an integer number (92637240).

Almost surely, 2^691691336 is an apocalyptic number.

It is an amenable number.

691691336 is an abundant number, since it is smaller than the sum of its proper divisors (790504504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

691691336 is a wasteful number, since it uses less digits than its factorization.

691691336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12351644 (or 12351640 counting only the distinct ones).

The product of its digits is 157464, while the sum is 44.

The square root of 691691336 is about 26300.0253992273. The cubic root of 691691336 is about 884.3770120545.

The spelling of 691691336 in words is "six hundred ninety-one million, six hundred ninety-one thousand, three hundred thirty-six".