813441 has 8 divisors (see below), whose sum is σ = 1131840. Its totient is φ = 518672.

The previous prime is 813427. The next prime is 813443. The reversal of 813441 is 144318.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 813441 - 2⁶ = 813377 is a prime.

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 813441.

It is not an unprimeable number, because it can be changed into a prime (813443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5826 + ... + 5963.

It is an arithmetic number, because the mean of its divisors is an integer number (141480).

2⁸¹³⁴⁴¹ is an apocalyptic number.

It is an amenable number.

813441 is a deficient number, since it is larger than the sum of its proper divisors (318399).

813441 is a wasteful number, since it uses less digits than its factorization.

813441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11815.

The product of its digits is 384, while the sum is 21.

The square root of 813441 is about 901.9096407069. The cubic root of 813441 is about 93.3487885404.

Adding to 813441 its reverse (144318), we get a palindrome (957759).

The spelling of 813441 in words is "eight hundred thirteen thousand, four hundred forty-one".