194514380 has 24 divisors (see below), whose sum is σ = 408892848. Its totient is φ = 77727168.

The previous prime is 194514379. The next prime is 194514389. The reversal of 194514380 is 83415491.

It is a self number, because there is not a number n which added to its sum of digits gives 194514380.

It is not an unprimeable number, because it can be changed into a prime (194514389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17987 + ... + 26693.

It is an arithmetic number, because the mean of its divisors is an integer number (17037202).

Almost surely, 2^194514380 is an apocalyptic number.

194514380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194514380 is an abundant number, since it is smaller than the sum of its proper divisors (214378468).

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

194514380 is a wasteful number, since it uses less digits than its factorization.

194514380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9833 (or 9831 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 194514380 is about 13946.8412194303. The cubic root of 194514380 is about 579.4072223522.

The spelling of 194514380 in words is "one hundred ninety-four million, five hundred fourteen thousand, three hundred eighty".