194275861 has 8 divisors (see below), whose sum is σ = 209489504. Its totient is φ = 179100720.

The previous prime is 194275831. The next prime is 194275867. The reversal of 194275861 is 168572491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 194275861 - 2⁹ = 194275349 is a prime.

It is a super-2 number, since 2×194275861² = 75486220334582642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194275867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1330 + ... + 19756.

It is an arithmetic number, because the mean of its divisors is an integer number (26186188).

Almost surely, 2^194275861 is an apocalyptic number.

It is an amenable number.

194275861 is a deficient number, since it is larger than the sum of its proper divisors (15213643).

194275861 is a wasteful number, since it uses less digits than its factorization.

194275861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19251.

The product of its digits is 120960, while the sum is 43.

The square root of 194275861 is about 13938.2875920968. The cubic root of 194275861 is about 579.1702970104.

The spelling of 194275861 in words is "one hundred ninety-four million, two hundred seventy-five thousand, eight hundred sixty-one".