691341 has 12 divisors (see below), whose sum is σ = 1072512. Its totient is φ = 394968.

The previous prime is 691337. The next prime is 691343. The reversal of 691341 is 143196.

It is not a de Polignac number, because 691341 - 2² = 691337 is a prime.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 691341.

It is not an unprimeable number, because it can be changed into a prime (691343) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2205 + ... + 2498.

It is an arithmetic number, because the mean of its divisors is an integer number (89376).

2⁶⁹¹³⁴¹ is an apocalyptic number.

It is an amenable number.

691341 is a deficient number, since it is larger than the sum of its proper divisors (381171).

691341 is a wasteful number, since it uses less digits than its factorization.

691341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4720 (or 4713 counting only the distinct ones).

The product of its digits is 648, while the sum is 24.

The square root of 691341 is about 831.4691816297. The cubic root of 691341 is about 88.4227676933.

It can be divided in two parts, 69 and 1341, that multiplied together give a palindrome (92529).

The spelling of 691341 in words is "six hundred ninety-one thousand, three hundred forty-one".