194937814 has 4 divisors (see below), whose sum is σ = 292406724. Its totient is φ = 97468906.

The previous prime is 194937781. The next prime is 194937823. The reversal of 194937814 is 418739491.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48734452 + ... + 48734455.

It is an arithmetic number, because the mean of its divisors is an integer number (73101681).

Almost surely, 2^194937814 is an apocalyptic number.

194937814 is a deficient number, since it is larger than the sum of its proper divisors (97468910).

194937814 is an equidigital number, since it uses as much as digits as its factorization.

194937814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97468909.

The product of its digits is 217728, while the sum is 46.

The square root of 194937814 is about 13962.0132502444. The cubic root of 194937814 is about 579.8273505148.

The spelling of 194937814 in words is "one hundred ninety-four million, nine hundred thirty-seven thousand, eight hundred fourteen".