19693272 has 48 divisors (see below), whose sum is σ = 51983640. Its totient is φ = 6216192.

The previous prime is 19693249. The next prime is 19693307. The reversal of 19693272 is 27239691.

It is a self number, because there is not a number n which added to its sum of digits gives 19693272.

It is a congruent number.

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, 7528 + ... + 9800.

Almost surely, 2^19693272 is an apocalyptic number.

19693272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19693272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25991820).

19693272 is an abundant number, since it is smaller than the sum of its proper divisors (32290368).

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

19693272 is a wasteful number, since it uses less digits than its factorization.

19693272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2320 (or 2297 counting only the distinct ones).

The product of its digits is 40824, while the sum is 39.

The square root of 19693272 is about 4437.7102203727. The cubic root of 19693272 is about 270.0469602818.

The spelling of 19693272 in words is "nineteen million, six hundred ninety-three thousand, two hundred seventy-two".