194638314 has 48 divisors (see below), whose sum is σ = 436125600. Its totient is φ = 57814848.

The previous prime is 194638291. The next prime is 194638331. The reversal of 194638314 is 413836491.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26097 + ... + 32715.

It is an arithmetic number, because the mean of its divisors is an integer number (9085950).

Almost surely, 2^194638314 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194638314, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218062800).

194638314 is an abundant number, since it is smaller than the sum of its proper divisors (241487286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

194638314 is a wasteful number, since it uses less digits than its factorization.

194638314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6679 (or 6666 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 194638314 is about 13951.2835968595. The cubic root of 194638314 is about 579.5302518326.

The spelling of 194638314 in words is "one hundred ninety-four million, six hundred thirty-eight thousand, three hundred fourteen".