194605853 has 4 divisors (see below), whose sum is σ = 209575548. Its totient is φ = 179636160.

The previous prime is 194605843. The next prime is 194605883. The reversal of 194605853 is 358506491.

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 85340644 + 109265209 = 9238^2 + 10453^2 .

It is a cyclic number.

It is not a de Polignac number, because 194605853 - 2⁸ = 194605597 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 194605853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194605843) 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, 7484828 + ... + 7484853.

It is an arithmetic number, because the mean of its divisors is an integer number (52393887).

Almost surely, 2^194605853 is an apocalyptic number.

194605853 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

194605853 is a deficient number, since it is larger than the sum of its proper divisors (14969695).

194605853 is a wasteful number, since it uses less digits than its factorization.

194605853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14969694.

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 194605853 is about 13950.1201786938. The cubic root of 194605853 is about 579.4980327951.

The spelling of 194605853 in words is "one hundred ninety-four million, six hundred five thousand, eight hundred fifty-three".