194881944 has 32 divisors (see below), whose sum is σ = 508389120. Its totient is φ = 62136096.

The previous prime is 194881937. The next prime is 194881961. The reversal of 194881944 is 449188491.

It is a junction number, because it is equal to n+sod(n) for n = 194881893 and 194881902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175972 + ... + 177075.

It is an arithmetic number, because the mean of its divisors is an integer number (15887160).

Almost surely, 2^194881944 is an apocalyptic number.

It is an amenable number.

194881944 is an abundant number, since it is smaller than the sum of its proper divisors (313507176).

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

194881944 is a wasteful number, since it uses less digits than its factorization.

194881944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353079 (or 353075 counting only the distinct ones).

The product of its digits is 331776, while the sum is 48.

The square root of 194881944 is about 13960.0123209115. The cubic root of 194881944 is about 579.7719515669.

The spelling of 194881944 in words is "one hundred ninety-four million, eight hundred eighty-one thousand, nine hundred forty-four".