19014944 has 48 divisors (see below), whose sum is σ = 41291712. Its totient is φ = 8563968.

The previous prime is 19014943. The next prime is 19014979. The reversal of 19014944 is 44941091.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 19014944.

It is not an unprimeable number, because it can be changed into a prime (19014943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17357 + ... + 18419.

It is an arithmetic number, because the mean of its divisors is an integer number (860244).

Almost surely, 2^19014944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19014944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20645856).

19014944 is an abundant number, since it is smaller than the sum of its proper divisors (22276768).

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

19014944 is a wasteful number, since it uses less digits than its factorization.

19014944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1129 (or 1121 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 19014944 is about 4360.6128009719. The cubic root of 19014944 is about 266.9101054760.

The spelling of 19014944 in words is "nineteen million, fourteen thousand, nine hundred forty-four".