19793472 has 28 divisors (see below), whose sum is σ = 52370736. Its totient is φ = 6597760.

The previous prime is 19793471. The next prime is 19793479. The reversal of 19793472 is 27439791.

It is not an unprimeable number, because it can be changed into a prime (19793471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51354 + ... + 51737.

Almost surely, 2^19793472 is an apocalyptic number.

19793472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19793472 is an abundant number, since it is smaller than the sum of its proper divisors (32577264).

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

19793472 is a wasteful number, since it uses less digits than its factorization.

19793472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103106 (or 103096 counting only the distinct ones).

The product of its digits is 95256, while the sum is 42.

The square root of 19793472 is about 4448.9855023365. The cubic root of 19793472 is about 270.5041882266.

The spelling of 19793472 in words is "nineteen million, seven hundred ninety-three thousand, four hundred seventy-two".