19328472 has 96 divisors (see below), whose sum is σ = 56160000. Its totient is φ = 5987520.

The previous prime is 19328461. The next prime is 19328479. The reversal of 19328472 is 27482391.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19328479) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97029 + ... + 97227.

It is an arithmetic number, because the mean of its divisors is an integer number (585000).

Almost surely, 2^19328472 is an apocalyptic number.

19328472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19328472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28080000).

19328472 is an abundant number, since it is smaller than the sum of its proper divisors (36831528).

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

19328472 is a wasteful number, since it uses less digits than its factorization.

19328472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301 (or 294 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 19328472 is about 4396.4158129094. The cubic root of 19328472 is about 268.3690986195.

It can be divided in two parts, 1932 and 8472, that added together give a square (10404 = 102²).

The spelling of 19328472 in words is "nineteen million, three hundred twenty-eight thousand, four hundred seventy-two".