194854881 has 8 divisors (see below), whose sum is σ = 279791680. Its totient is φ = 119910672.

The previous prime is 194854853. The next prime is 194854889. The reversal of 194854881 is 188458491.

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

It is not a de Polignac number, because 194854881 - 2²¹ = 192757729 is a prime.

It is a super-2 number, since 2×194854881² = 75936849299048322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 194854881.

It is not an unprimeable number, because it can be changed into a prime (194854889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2498101 + ... + 2498178.

It is an arithmetic number, because the mean of its divisors is an integer number (34973960).

Almost surely, 2^194854881 is an apocalyptic number.

It is an amenable number.

194854881 is a deficient number, since it is larger than the sum of its proper divisors (84936799).

194854881 is a wasteful number, since it uses less digits than its factorization.

194854881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4996295.

The product of its digits is 368640, while the sum is 48.

The square root of 194854881 is about 13959.0429829555. The cubic root of 194854881 is about 579.7451129343.

The spelling of 194854881 in words is "one hundred ninety-four million, eight hundred fifty-four thousand, eight hundred eighty-one".