194506312 has 128 divisors (see below), whose sum is σ = 496419840. Its totient is φ = 68993280.

The previous prime is 194506309. The next prime is 194506349. The reversal of 194506312 is 213605491.

It is a zygodrome in base 3.

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, 856743 + ... + 856969.

It is an arithmetic number, because the mean of its divisors is an integer number (3878280).

Almost surely, 2^194506312 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194506312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248209920).

194506312 is an abundant number, since it is smaller than the sum of its proper divisors (301913528).

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

194506312 is a wasteful number, since it uses less digits than its factorization.

194506312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 194506312 is about 13946.5519753092. The cubic root of 194506312 is about 579.3992114241.

The spelling of 194506312 in words is "one hundred ninety-four million, five hundred six thousand, three hundred twelve".