194494860 has 144 divisors (see below), whose sum is σ = 679101696. Its totient is φ = 44136576.

The previous prime is 194494823. The next prime is 194494871. The reversal of 194494860 is 68494491.

194494860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 204907 + ... + 205853.

It is an arithmetic number, because the mean of its divisors is an integer number (4715984).

Almost surely, 2^194494860 is an apocalyptic number.

194494860 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 194494860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339550848).

194494860 is an abundant number, since it is smaller than the sum of its proper divisors (484606836).

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

194494860 is a wasteful number, since it uses less digits than its factorization.

194494860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132 (or 1127 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 194494860 is about 13946.1414018358. The cubic root of 194494860 is about 579.3878400537.

The spelling of 194494860 in words is "one hundred ninety-four million, four hundred ninety-four thousand, eight hundred sixty".