19428024 has 64 divisors (see below), whose sum is σ = 60560640. Its totient is φ = 5045760.

The previous prime is 19428023. The next prime is 19428029. The reversal of 19428024 is 42082491.

It is a junction number, because it is equal to n+sod(n) for n = 19427982 and 19428000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19428023) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3409 + ... + 7104.

It is an arithmetic number, because the mean of its divisors is an integer number (946260).

Almost surely, 2^19428024 is an apocalyptic number.

19428024 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

19428024 is an abundant number, since it is smaller than the sum of its proper divisors (41132616).

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

19428024 is a wasteful number, since it uses less digits than its factorization.

19428024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10540 (or 10536 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 19428024 is about 4407.7232218006. The cubic root of 19428024 is about 268.8290581185.

The spelling of 19428024 in words is "nineteen million, four hundred twenty-eight thousand, twenty-four".