691336 has 16 divisors (see below), whose sum is σ = 1310400. Its totient is φ = 341904.

The previous prime is 691333. The next prime is 691337. The reversal of 691336 is 633196.

It is not an unprimeable number, because it can be changed into a prime (691333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405 + ... + 1243.

It is an arithmetic number, because the mean of its divisors is an integer number (81900).

2⁶⁹¹³³⁶ is an apocalyptic number.

It is an amenable number.

691336 is a deficient number, since it is larger than the sum of its proper divisors (619064).

691336 is a wasteful number, since it uses less digits than its factorization.

691336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948 (or 944 counting only the distinct ones).

The product of its digits is 2916, while the sum is 28.

The square root of 691336 is about 831.4661748983. The cubic root of 691336 is about 88.4225545255.

The spelling of 691336 in words is "six hundred ninety-one thousand, three hundred thirty-six".