194426844 has 12 divisors (see below), whose sum is σ = 453662664. Its totient is φ = 64808944.

The previous prime is 194426839. The next prime is 194426857. The reversal of 194426844 is 448624491.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 194426796 and 194426805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8101107 + ... + 8101130.

It is an arithmetic number, because the mean of its divisors is an integer number (37805222).

Almost surely, 2^194426844 is an apocalyptic number.

It is an amenable number.

194426844 is an abundant number, since it is smaller than the sum of its proper divisors (259235820).

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

194426844 is a wasteful number, since it uses less digits than its factorization.

194426844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16202244 (or 16202242 counting only the distinct ones).

The product of its digits is 221184, while the sum is 42.

The square root of 194426844 is about 13943.7026646440. The cubic root of 194426844 is about 579.3202937306.

The spelling of 194426844 in words is "one hundred ninety-four million, four hundred twenty-six thousand, eight hundred forty-four".