194738836 has 12 divisors (see below), whose sum is σ = 343395360. Its totient is φ = 96625880.

The previous prime is 194738827. The next prime is 194738839. The reversal of 194738836 is 638837491.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 194738836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194738839) 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, 185296 + ... + 186343.

It is an arithmetic number, because the mean of its divisors is an integer number (28616280).

Almost surely, 2^194738836 is an apocalyptic number.

It is an amenable number.

194738836 is a deficient number, since it is larger than the sum of its proper divisors (148656524).

194738836 is a wasteful number, since it uses less digits than its factorization.

194738836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371774 (or 371772 counting only the distinct ones).

The product of its digits is 870912, while the sum is 49.

The square root of 194738836 is about 13954.8857394104. The cubic root of 194738836 is about 579.6300018302.

The spelling of 194738836 in words is "one hundred ninety-four million, seven hundred thirty-eight thousand, eight hundred thirty-six".