19198148 has 12 divisors (see below), whose sum is σ = 33630912. Its totient is φ = 9589320.

The previous prime is 19198147. The next prime is 19198159. The reversal of 19198148 is 84189191.

It is not an unprimeable number, because it can be changed into a prime (19198147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3713 + ... + 7223.

It is an arithmetic number, because the mean of its divisors is an integer number (2802576).

Almost surely, 2^19198148 is an apocalyptic number.

It is an amenable number.

19198148 is a deficient number, since it is larger than the sum of its proper divisors (14432764).

19198148 is a wasteful number, since it uses less digits than its factorization.

19198148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4882 (or 4880 counting only the distinct ones).

The product of its digits is 20736, while the sum is 41.

The square root of 19198148 is about 4381.5691253249. The cubic root of 19198148 is about 267.7645701045.

The spelling of 19198148 in words is "nineteen million, one hundred ninety-eight thousand, one hundred forty-eight".