19746342 has 80 divisors (see below), whose sum is σ = 55199232. Its totient is φ = 5125680.

The previous prime is 19746329. The next prime is 19746347. The reversal of 19746342 is 24364791.

19746342 is a `hidden beast` number, since 19 + 7 + 4 + 634 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 19746297 and 19746306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19746347) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 11683 + ... + 13265.

Almost surely, 2^19746342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19746342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27599616).

19746342 is an abundant number, since it is smaller than the sum of its proper divisors (35452890).

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

19746342 is a wasteful number, since it uses less digits than its factorization.

19746342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1615 (or 1606 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 19746342 is about 4443.6856324452. The cubic root of 19746342 is about 270.2893194975.

The spelling of 19746342 in words is "nineteen million, seven hundred forty-six thousand, three hundred forty-two".