819048 has 16 divisors (see below), whose sum is σ = 2047680. Its totient is φ = 273008.

The previous prime is 819037. The next prime is 819061. The reversal of 819048 is 840918.

It is a happy number.

It is an Ulam number.

It is an unprimeable number.

819048 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 3 ways as a sum of consecutive naturals, for example, 17040 + ... + 17087.

It is an arithmetic number, because the mean of its divisors is an integer number (127980).

2⁸¹⁹⁰⁴⁸ is an apocalyptic number.

It is an amenable number.

819048 is an abundant number, since it is smaller than the sum of its proper divisors (1228632).

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

819048 is a wasteful number, since it uses less digits than its factorization.

819048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34136 (or 34132 counting only the distinct ones).

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

The square root of 819048 is about 905.0127070931. The cubic root of 819048 is about 93.5627801464.

The spelling of 819048 in words is "eight hundred nineteen thousand, forty-eight".