194080842 has 12 divisors (see below), whose sum is σ = 420508530. Its totient is φ = 64693608.

The previous prime is 194080841. The next prime is 194080867. The reversal of 194080842 is 248080491.

It can be written as a sum of positive squares in only one way, i.e., 111070521 + 83010321 = 10539^2 + 9111^2 .

It is a junction number, because it is equal to n+sod(n) for n = 194080797 and 194080806.

It is not an unprimeable number, because it can be changed into a prime (194080841) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5391117 + ... + 5391152.

Almost surely, 2^194080842 is an apocalyptic number.

194080842 is an abundant number, since it is smaller than the sum of its proper divisors (226427688).

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

194080842 is a wasteful number, since it uses less digits than its factorization.

194080842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10782277 (or 10782274 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 194080842 is about 13931.2900335899. The cubic root of 194080842 is about 578.9764368873.

The spelling of 194080842 in words is "one hundred ninety-four million, eighty thousand, eight hundred forty-two".