19530148 has 12 divisors (see below), whose sum is σ = 37284912. Its totient is φ = 8877320.

The previous prime is 19530131. The next prime is 19530163. The reversal of 19530148 is 84103591.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221890 + ... + 221977.

It is an arithmetic number, because the mean of its divisors is an integer number (3107076).

Almost surely, 2^19530148 is an apocalyptic number.

It is an amenable number.

19530148 is a deficient number, since it is larger than the sum of its proper divisors (17754764).

19530148 is a wasteful number, since it uses less digits than its factorization.

19530148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443882 (or 443880 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 19530148 is about 4419.2927035896. The cubic root of 19530148 is about 269.2992712264.

The spelling of 19530148 in words is "nineteen million, five hundred thirty thousand, one hundred forty-eight".