819487348 has 6 divisors (see below), whose sum is σ = 1434102866. Its totient is φ = 409743672.

The previous prime is 819487343. The next prime is 819487349. The reversal of 819487348 is 843784918.

It can be written as a sum of positive squares in only one way, i.e., 503643364 + 315843984 = 22442^2 + 17772^2 .

It is a junction number, because it is equal to n+sod(n) for n = 819487295 and 819487304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (819487343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102435915 + ... + 102435922.

Almost surely, 2^819487348 is an apocalyptic number.

It is an amenable number.

819487348 is a deficient number, since it is larger than the sum of its proper divisors (614615518).

819487348 is a wasteful number, since it uses less digits than its factorization.

819487348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204871841 (or 204871839 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 52.

The square root of 819487348 is about 28626.6894348613. The cubic root of 819487348 is about 935.7950658673.

The spelling of 819487348 in words is "eight hundred nineteen million, four hundred eighty-seven thousand, three hundred forty-eight".