19468872 has 48 divisors (see below), whose sum is σ = 52956540. Its totient is φ = 6461568.

The previous prime is 19468853. The next prime is 19468907. The reversal of 19468872 is 27886491.

It can be written as a sum of positive squares in 2 ways, for example, as 14243076 + 5225796 = 3774^2 + 2286^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22398 + ... + 23250.

Almost surely, 2^19468872 is an apocalyptic number.

19468872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19468872 is an abundant number, since it is smaller than the sum of its proper divisors (33487668).

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

19468872 is a wasteful number, since it uses less digits than its factorization.

19468872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182 (or 1175 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 19468872 is about 4412.3544735209. The cubic root of 19468872 is about 269.0173332667.

It can be divided in two parts, 194688 and 72, that multiplied together give a square (14017536 = 3744²).

The spelling of 19468872 in words is "nineteen million, four hundred sixty-eight thousand, eight hundred seventy-two".