19842768 has 60 divisors (see below), whose sum is σ = 60585408. Its totient is φ = 6012480.

The previous prime is 19842761. The next prime is 19842827. The reversal of 19842768 is 86724891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19842761) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4680 + ... + 7847.

Almost surely, 2^19842768 is an apocalyptic number.

19842768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

19842768 is an abundant number, since it is smaller than the sum of its proper divisors (40742640).

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

19842768 is a wasteful number, since it uses less digits than its factorization.

19842768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12552 (or 12543 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 19842768 is about 4454.5221965998. The cubic root of 19842768 is about 270.7285672473.

The spelling of 19842768 in words is "nineteen million, eight hundred forty-two thousand, seven hundred sixty-eight".