19421068 has 12 divisors (see below), whose sum is σ = 35159040. Its totient is φ = 9375632.

The previous prime is 19421063. The next prime is 19421081. The reversal of 19421068 is 86012491.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (19421063) 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 3 ways as a sum of consecutive naturals, for example, 83596 + ... + 83827.

It is an arithmetic number, because the mean of its divisors is an integer number (2929920).

Almost surely, 2^19421068 is an apocalyptic number.

It is an amenable number.

19421068 is a deficient number, since it is larger than the sum of its proper divisors (15737972).

19421068 is a wasteful number, since it uses less digits than its factorization.

19421068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167456 (or 167454 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 19421068 is about 4406.9340816491. The cubic root of 19421068 is about 268.7969704815.

The spelling of 19421068 in words is "nineteen million, four hundred twenty-one thousand, sixty-eight".