811349 has 16 divisors (see below), whose sum is σ = 1040256. Its totient is φ = 614400.

The previous prime is 811337. The next prime is 811351. The reversal of 811349 is 943118.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-811349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (811379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3029 + ... + 3285.

It is an arithmetic number, because the mean of its divisors is an integer number (65016).

2⁸¹¹³⁴⁹ is an apocalyptic number.

It is an amenable number.

811349 is a deficient number, since it is larger than the sum of its proper divisors (228907).

811349 is a wasteful number, since it uses less digits than its factorization.

811349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316.

The product of its digits is 864, while the sum is 26.

The square root of 811349 is about 900.7491326668. The cubic root of 811349 is about 93.2686953246.

Subtracting 811349 from its reverse (943118), we obtain a square (131769 = 363²).

The spelling of 811349 in words is "eight hundred eleven thousand, three hundred forty-nine".