19427796 has 48 divisors (see below), whose sum is σ = 52113600. Its totient is φ = 6251616.

The previous prime is 19427777. The next prime is 19427797. The reversal of 19427796 is 69772491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19427797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31 + ... + 6233.

It is an arithmetic number, because the mean of its divisors is an integer number (1085700).

Almost surely, 2^19427796 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 19427796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26056800).

19427796 is an abundant number, since it is smaller than the sum of its proper divisors (32685804).

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

19427796 is a wasteful number, since it uses less digits than its factorization.

19427796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6245 (or 6237 counting only the distinct ones).

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

The square root of 19427796 is about 4407.6973580317. The cubic root of 19427796 is about 268.8280064888.

The spelling of 19427796 in words is "nineteen million, four hundred twenty-seven thousand, seven hundred ninety-six".