19308148 has 6 divisors (see below), whose sum is σ = 33789266. Its totient is φ = 9654072.

The previous prime is 19308143. The next prime is 19308173. The reversal of 19308148 is 84180391.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9809424 + 9498724 = 3132^2 + 3082^2 .

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19308143) 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, 2413515 + ... + 2413522.

Almost surely, 2^19308148 is an apocalyptic number.

It is an amenable number.

19308148 is a deficient number, since it is larger than the sum of its proper divisors (14481118).

19308148 is a wasteful number, since it uses less digits than its factorization.

19308148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4827041 (or 4827039 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 19308148 is about 4394.1037766534. The cubic root of 19308148 is about 268.2750017447.

The spelling of 19308148 in words is "nineteen million, three hundred eight thousand, one hundred forty-eight".