19484472 has 32 divisors (see below), whose sum is σ = 55670400. Its totient is φ = 5566944.

The previous prime is 19484449. The next prime is 19484497. The reversal of 19484472 is 27448491.

It is a self number, because there is not a number n which added to its sum of digits gives 19484472.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57822 + ... + 58157.

It is an arithmetic number, because the mean of its divisors is an integer number (1739700).

Almost surely, 2^19484472 is an apocalyptic number.

19484472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19484472 is an abundant number, since it is smaller than the sum of its proper divisors (36185928).

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

19484472 is a wasteful number, since it uses less digits than its factorization.

19484472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115995 (or 115991 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 19484472 is about 4414.1218832289. The cubic root of 19484472 is about 269.0891667384.

It can be divided in two parts, 194 and 84472, that added together give a triangular number (84666 = T₄₁₁).

The spelling of 19484472 in words is "nineteen million, four hundred eighty-four thousand, four hundred seventy-two".