194333481 has 12 divisors (see below), whose sum is σ = 287550900. Its totient is φ = 126395520.

The previous prime is 194333479. The next prime is 194333543. The reversal of 194333481 is 184333491.

194333481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 110061081 + 84272400 = 10491^2 + 9180^2 .

It is not a de Polignac number, because 194333481 - 2¹ = 194333479 is a prime.

It is a super-2 number, since 2×194333481² = 75531003675154722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (194333441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 262956 + ... + 263693.

It is an arithmetic number, because the mean of its divisors is an integer number (23962575).

Almost surely, 2^194333481 is an apocalyptic number.

It is an amenable number.

194333481 is a deficient number, since it is larger than the sum of its proper divisors (93217419).

194333481 is a wasteful number, since it uses less digits than its factorization.

194333481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526696 (or 526693 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 194333481 is about 13940.3544072595. The cubic root of 194333481 is about 579.2275497809.

The spelling of 194333481 in words is "one hundred ninety-four million, three hundred thirty-three thousand, four hundred eighty-one".