19023472 has 20 divisors (see below), whose sum is σ = 39693640. Its totient is φ = 8779968.

The previous prime is 19023463. The next prime is 19023497. The reversal of 19023472 is 27432091.

It is a self number, because there is not a number n which added to its sum of digits gives 19023472.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45522 + ... + 45937.

It is an arithmetic number, because the mean of its divisors is an integer number (1984682).

Almost surely, 2^19023472 is an apocalyptic number.

It is an amenable number.

19023472 is an abundant number, since it is smaller than the sum of its proper divisors (20670168).

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

19023472 is a wasteful number, since it uses less digits than its factorization.

19023472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91480 (or 91474 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 19023472 is about 4361.5905355730. The cubic root of 19023472 is about 266.9500016260.

The spelling of 19023472 in words is "nineteen million, twenty-three thousand, four hundred seventy-two".