19612842 has 32 divisors (see below), whose sum is σ = 40872384. Its totient is φ = 6268800.

The previous prime is 19612829. The next prime is 19612877. The reversal of 19612842 is 24821691.

It is an unprimeable number.

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, 14353 + ... + 15659.

It is an arithmetic number, because the mean of its divisors is an integer number (1277262).

Almost surely, 2^19612842 is an apocalyptic number.

19612842 is an abundant number, since it is smaller than the sum of its proper divisors (21259542).

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

19612842 is a wasteful number, since it uses less digits than its factorization.

19612842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414.

The product of its digits is 6912, while the sum is 33.

The square root of 19612842 is about 4428.6388428049. The cubic root of 19612842 is about 269.6788224855.

The spelling of 19612842 in words is "nineteen million, six hundred twelve thousand, eight hundred forty-two".