19488748 has 6 divisors (see below), whose sum is σ = 34105316. Its totient is φ = 9744372.

The previous prime is 19488743. The next prime is 19488757. The reversal of 19488748 is 84788491.

It is a super-2 number, since 2×19488748² = 759622597215008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19488743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2436090 + ... + 2436097.

Almost surely, 2^19488748 is an apocalyptic number.

It is an amenable number.

19488748 is a deficient number, since it is larger than the sum of its proper divisors (14616568).

19488748 is a wasteful number, since it uses less digits than its factorization.

19488748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4872191 (or 4872189 counting only the distinct ones).

The product of its digits is 516096, while the sum is 49.

The square root of 19488748 is about 4414.6062112039. The cubic root of 19488748 is about 269.1088497817.

The spelling of 19488748 in words is "nineteen million, four hundred eighty-eight thousand, seven hundred forty-eight".