19796472 has 24 divisors (see below), whose sum is σ = 53615640. Its totient is φ = 6598800.

The previous prime is 19796467. The next prime is 19796489. The reversal of 19796472 is 27469791.

19796472 is a `hidden beast` number, since 1 + 97 + 96 + 472 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 137404 + ... + 137547.

It is an arithmetic number, because the mean of its divisors is an integer number (2233985).

Almost surely, 2^19796472 is an apocalyptic number.

19796472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19796472 is an abundant number, since it is smaller than the sum of its proper divisors (33819168).

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

19796472 is a wasteful number, since it uses less digits than its factorization.

19796472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274963 (or 274956 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 19796472 is about 4449.3226450776. The cubic root of 19796472 is about 270.5178538697.

It can be divided in two parts, 1979647 and 2, that added together give a square (1979649 = 1407²).

The spelling of 19796472 in words is "nineteen million, seven hundred ninety-six thousand, four hundred seventy-two".