194642084 has 48 divisors (see below), whose sum is σ = 433708800. Its totient is φ = 74342016.

The previous prime is 194642069. The next prime is 194642093. The reversal of 194642084 is 480246491.

194642084 is digitally balanced in base 3, 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 15 ways as a sum of consecutive naturals, for example, 1337 + ... + 19775.

It is an arithmetic number, because the mean of its divisors is an integer number (9035600).

Almost surely, 2^194642084 is an apocalyptic number.

194642084 is a gapful number since it is divisible by the number (14) 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 194642084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216854400).

194642084 is an abundant number, since it is smaller than the sum of its proper divisors (239066716).

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

194642084 is a wasteful number, since it uses less digits than its factorization.

194642084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18492 (or 18490 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 194642084 is about 13951.4187092209. The cubic root of 194642084 is about 579.5339934990.

The spelling of 194642084 in words is "one hundred ninety-four million, six hundred forty-two thousand, eighty-four".