819480 has 32 divisors (see below), whose sum is σ = 2458800. Its totient is φ = 218496.

The previous prime is 819473. The next prime is 819487. The reversal of 819480 is 84918.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (819473) and next prime (819487).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (819487) 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, 3295 + ... + 3534.

2⁸¹⁹⁴⁸⁰ is an apocalyptic number.

It is an amenable number.

819480 is an abundant number, since it is smaller than the sum of its proper divisors (1639320).

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

819480 is a wasteful number, since it uses less digits than its factorization.

819480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6843 (or 6839 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 819480 is about 905.2513463122. The cubic root of 819480 is about 93.5792268898.

The spelling of 819480 in words is "eight hundred nineteen thousand, four hundred eighty".