194426856 has 48 divisors (see below), whose sum is σ = 567081060. Its totient is φ = 59823360.

The previous prime is 194426839. The next prime is 194426857. The reversal of 194426856 is 658624491.

It can be written as a sum of positive squares in 2 ways, for example, as 192265956 + 2160900 = 13866^2 + 1470^2 .

It is not an unprimeable number, because it can be changed into a prime (194426857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102925 + ... + 104796.

Almost surely, 2^194426856 is an apocalyptic number.

It is an amenable number.

194426856 is an abundant number, since it is smaller than the sum of its proper divisors (372654204).

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

194426856 is a wasteful number, since it uses less digits than its factorization.

194426856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207746 (or 207739 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 194426856 is about 13943.7030949458. The cubic root of 194426856 is about 579.3203056492.

The spelling of 194426856 in words is "one hundred ninety-four million, four hundred twenty-six thousand, eight hundred fifty-six".