813480 has 32 divisors (see below), whose sum is σ = 2440800. Its totient is φ = 216896.

The previous prime is 813443. The next prime is 813493. The reversal of 813480 is 84318.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 813480.

It is an unprimeable number.

813480 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3270 + ... + 3509.

It is an arithmetic number, because the mean of its divisors is an integer number (76275).

2⁸¹³⁴⁸⁰ is an apocalyptic number.

It is an amenable number.

813480 is an abundant number, since it is smaller than the sum of its proper divisors (1627320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

813480 is a wasteful number, since it uses less digits than its factorization.

813480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6793 (or 6789 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 813480 is about 901.9312612389. The cubic root of 813480 is about 93.3502803694.

Adding to 813480 its reverse (84318), we get a palindrome (897798).

The spelling of 813480 in words is "eight hundred thirteen thousand, four hundred eighty".