19294472 has 12 divisors (see below), whose sum is σ = 36200445. Its totient is φ = 9641024.

The previous prime is 19294423. The next prime is 19294523. The reversal of 19294472 is 27449291.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 15476356 + 3818116 = 3934^2 + 1954^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=3106.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 11648 + ... + 13200.

Almost surely, 2^19294472 is an apocalyptic number.

It is an amenable number.

19294472 is a deficient number, since it is larger than the sum of its proper divisors (16905973).

19294472 is an frugal number, since it uses more digits than its factorization.

19294472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3112 (or 1555 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 19294472 is about 4392.5473247308. The cubic root of 19294472 is about 268.2116468767.

The spelling of 19294472 in words is "nineteen million, two hundred ninety-four thousand, four hundred seventy-two".