194401814 has 8 divisors (see below), whose sum is σ = 296545320. Its totient is φ = 95553376.

The previous prime is 194401813. The next prime is 194401829. The reversal of 194401814 is 418104491.

194401814 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194401813) 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, 823619 + ... + 823854.

It is an arithmetic number, because the mean of its divisors is an integer number (37068165).

Almost surely, 2^194401814 is an apocalyptic number.

194401814 is a deficient number, since it is larger than the sum of its proper divisors (102143506).

194401814 is a wasteful number, since it uses less digits than its factorization.

194401814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647534.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 194401814 is about 13942.8050979708. The cubic root of 194401814 is about 579.2954326073.

The spelling of 194401814 in words is "one hundred ninety-four million, four hundred one thousand, eight hundred fourteen".