194941885 has 8 divisors (see below), whose sum is σ = 234052920. Its totient is φ = 155871744.

The previous prime is 194941867. The next prime is 194941891. The reversal of 194941885 is 588149491.

It can be written as a sum of positive squares in 4 ways, for example, as 674041 + 194267844 = 821^2 + 13938^2 .

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 194941885 - 2¹³ = 194933693 is a prime.

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, 1489 + ... + 19801.

It is an arithmetic number, because the mean of its divisors is an integer number (29256615).

Almost surely, 2^194941885 is an apocalyptic number.

It is an amenable number.

194941885 is a deficient number, since it is larger than the sum of its proper divisors (39111035).

194941885 is a wasteful number, since it uses less digits than its factorization.

194941885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20447.

The product of its digits is 414720, while the sum is 49.

The square root of 194941885 is about 13962.1590379139. The cubic root of 194941885 is about 579.8313867775.

It can be divided in two parts, 1949 and 41885, that added together give a palindrome (43834).

The spelling of 194941885 in words is "one hundred ninety-four million, nine hundred forty-one thousand, eight hundred eighty-five".