193456242 has 64 divisors (see below), whose sum is σ = 493516800. Its totient is φ = 55026000.

The previous prime is 193456231. The next prime is 193456247. The reversal of 193456242 is 242654391.

It is a happy number.

193456242 is a `hidden beast` number, since 1 + 93 + 4 + 562 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 193456197 and 193456206.

It is not an unprimeable number, because it can be changed into a prime (193456247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93859 + ... + 95897.

It is an arithmetic number, because the mean of its divisors is an integer number (7711200).

Almost surely, 2^193456242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 193456242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246758400).

193456242 is an abundant number, since it is smaller than the sum of its proper divisors (300060558).

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

193456242 is a wasteful number, since it uses less digits than its factorization.

193456242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2308 (or 2302 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 193456242 is about 13908.8548054827. The cubic root of 193456242 is about 578.3546731065.

The spelling of 193456242 in words is "one hundred ninety-three million, four hundred fifty-six thousand, two hundred forty-two".