194756442 has 8 divisors (see below), whose sum is σ = 389512896. Its totient is φ = 64918812.

The previous prime is 194756411. The next prime is 194756449. The reversal of 194756442 is 244657491.

It is a sphenic number, since it is the product of 3 distinct primes.

194756442 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 194756394 and 194756403.

It is not an unprimeable number, because it can be changed into a prime (194756449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16229698 + ... + 16229709.

It is an arithmetic number, because the mean of its divisors is an integer number (48689112).

Almost surely, 2^194756442 is an apocalyptic number.

194756442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

194756442 is a wasteful number, since it uses less digits than its factorization.

194756442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32459412.

The product of its digits is 241920, while the sum is 42.

The square root of 194756442 is about 13955.5165436468. The cubic root of 194756442 is about 579.6474690844.

The spelling of 194756442 in words is "one hundred ninety-four million, seven hundred fifty-six thousand, four hundred forty-two".