19049328 has 30 divisors (see below), whose sum is σ = 53312064. Its totient is φ = 6349728.

The previous prime is 19049287. The next prime is 19049347. The reversal of 19049328 is 82394091.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 19049292 and 19049301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 66000 + ... + 66287.

Almost surely, 2^19049328 is an apocalyptic number.

19049328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

19049328 is an abundant number, since it is smaller than the sum of its proper divisors (34262736).

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

19049328 is a wasteful number, since it uses less digits than its factorization.

19049328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132301 (or 132292 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 19049328 is about 4364.5535854197. The cubic root of 19049328 is about 267.0708897321.

The spelling of 19049328 in words is "nineteen million, forty-nine thousand, three hundred twenty-eight".