194845380 has 96 divisors (see below), whose sum is σ = 583080960. Its totient is φ = 48470400.

The previous prime is 194845369. The next prime is 194845393. The reversal of 194845380 is 83548491.

194845380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75105 + ... + 77655.

It is an arithmetic number, because the mean of its divisors is an integer number (6073760).

Almost surely, 2^194845380 is an apocalyptic number.

194845380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194845380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291540480).

194845380 is an abundant number, since it is smaller than the sum of its proper divisors (388235580).

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

194845380 is a wasteful number, since it uses less digits than its factorization.

194845380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2649 (or 2647 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 194845380 is about 13958.7026617806. The cubic root of 194845380 is about 579.7356901135.

The spelling of 194845380 in words is "one hundred ninety-four million, eight hundred forty-five thousand, three hundred eighty".