819488 has 12 divisors (see below), whose sum is σ = 1613430. Its totient is φ = 409728.

The previous prime is 819487. The next prime is 819491. The reversal of 819488 is 884918.

It can be written as a sum of positive squares in only one way, i.e., 425104 + 394384 = 652^2 + 628^2 .

It is not an unprimeable number, because it can be changed into a prime (819487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12773 + ... + 12836.

2⁸¹⁹⁴⁸⁸ is an apocalyptic number.

It is an amenable number.

819488 is a deficient number, since it is larger than the sum of its proper divisors (793942).

819488 is a wasteful number, since it uses less digits than its factorization.

819488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25619 (or 25611 counting only the distinct ones).

The product of its digits is 18432, while the sum is 38.

The square root of 819488 is about 905.2557649637. The cubic root of 819488 is about 93.5795314046.

The spelling of 819488 in words is "eight hundred nineteen thousand, four hundred eighty-eight".