18819048 has 32 divisors (see below), whose sum is σ = 47172960. Its totient is φ = 6256320.

The previous prime is 18819043. The next prime is 18819061. The reversal of 18819048 is 84091881.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 18818997 and 18819015.

It is not an unprimeable number, because it can be changed into a prime (18819043) 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, 10986 + ... + 12582.

It is an arithmetic number, because the mean of its divisors is an integer number (1474155).

Almost surely, 2^18819048 is an apocalyptic number.

It is an amenable number.

18819048 is an abundant number, since it is smaller than the sum of its proper divisors (28353912).

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

18819048 is a wasteful number, since it uses less digits than its factorization.

18819048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2097 (or 2093 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 39.

The square root of 18819048 is about 4338.0926684431. The cubic root of 18819048 is about 265.9903514694.

The spelling of 18819048 in words is "eighteen million, eight hundred nineteen thousand, forty-eight".