19678296 has 64 divisors (see below), whose sum is σ = 54172800. Its totient is φ = 5907200.

The previous prime is 19678291. The next prime is 19678297. The reversal of 19678296 is 69287691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19678291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34300 + ... + 34868.

It is an arithmetic number, because the mean of its divisors is an integer number (846450).

Almost surely, 2^19678296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19678296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27086400).

19678296 is an abundant number, since it is smaller than the sum of its proper divisors (34494504).

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

19678296 is a wasteful number, since it uses less digits than its factorization.

19678296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720 (or 716 counting only the distinct ones).

The product of its digits is 326592, while the sum is 48.

The square root of 19678296 is about 4436.0225427741. The cubic root of 19678296 is about 269.9784893700.

It can be divided in two parts, 196782 and 96, that added together give a triangular number (196878 = T₆₂₇).

The spelling of 19678296 in words is "nineteen million, six hundred seventy-eight thousand, two hundred ninety-six".