19442416 has 30 divisors (see below), whose sum is σ = 43821600. Its totient is φ = 8332128.

The previous prime is 19442413. The next prime is 19442417. The reversal of 19442416 is 61424491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19442413) 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 5 ways as a sum of consecutive naturals, for example, 11616 + ... + 13183.

It is an arithmetic number, because the mean of its divisors is an integer number (1460720).

Almost surely, 2^19442416 is an apocalyptic number.

19442416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

19442416 is an abundant number, since it is smaller than the sum of its proper divisors (24379184).

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

19442416 is a wasteful number, since it uses less digits than its factorization.

19442416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24821 (or 24808 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 19442416 is about 4409.3555084615. The cubic root of 19442416 is about 268.8954232969.

The spelling of 19442416 in words is "nineteen million, four hundred forty-two thousand, four hundred sixteen".