194670481 has 4 divisors (see below), whose sum is σ = 194786100. Its totient is φ = 194554864.

The previous prime is 194670467. The next prime is 194670517. The reversal of 194670481 is 184076491.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12852225 + 181818256 = 3585^2 + 13484^2 .

It is a cyclic number.

It is not a de Polignac number, because 194670481 - 2⁷ = 194670353 is a prime.

It is a super-2 number, since 2×194670481² = 75793192345542722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194670461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55246 + ... + 58663.

It is an arithmetic number, because the mean of its divisors is an integer number (48696525).

Almost surely, 2^194670481 is an apocalyptic number.

It is an amenable number.

194670481 is a deficient number, since it is larger than the sum of its proper divisors (115619).

194670481 is a wasteful number, since it uses less digits than its factorization.

194670481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115618.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 194670481 is about 13952.4363822237. The cubic root of 194670481 is about 579.5621755280.

It can be divided in two parts, 1946 and 70481, that added together give a palindrome (72427).

The spelling of 194670481 in words is "one hundred ninety-four million, six hundred seventy thousand, four hundred eighty-one".