813463 has 8 divisors (see below), whose sum is σ = 942080. Its totient is φ = 687960.

The previous prime is 813443. The next prime is 813493. The reversal of 813463 is 364318.

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

It is not a de Polignac number, because 813463 - 2¹³ = 805271 is a prime.

It is a Duffinian number.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183 + ... + 1288.

It is an arithmetic number, because the mean of its divisors is an integer number (117760).

2⁸¹³⁴⁶³ is an apocalyptic number.

813463 is a deficient number, since it is larger than the sum of its proper divisors (128617).

813463 is a wasteful number, since it uses less digits than its factorization.

813463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557.

The product of its digits is 1728, while the sum is 25.

The square root of 813463 is about 901.9218369681. The cubic root of 813463 is about 93.3496300908.

The spelling of 813463 in words is "eight hundred thirteen thousand, four hundred sixty-three".