19268872 has 32 divisors (see below), whose sum is σ = 42174720. Its totient is φ = 8081280.

The previous prime is 19268849. The next prime is 19268923. The reversal of 19268872 is 27886291.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1029 + ... + 6292.

It is an arithmetic number, because the mean of its divisors is an integer number (1317960).

Almost surely, 2^19268872 is an apocalyptic number.

It is an amenable number.

19268872 is an abundant number, since it is smaller than the sum of its proper divisors (22905848).

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

19268872 is a wasteful number, since it uses less digits than its factorization.

19268872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7381 (or 7377 counting only the distinct ones).

The product of its digits is 96768, while the sum is 43.

The square root of 19268872 is about 4389.6323308450. The cubic root of 19268872 is about 268.0929728663.

The spelling of 19268872 in words is "nineteen million, two hundred sixty-eight thousand, eight hundred seventy-two".