194940512 has 48 divisors (see below), whose sum is σ = 417658752. Its totient is φ = 89026560.

The previous prime is 194940467. The next prime is 194940541. The reversal of 194940512 is 215049491.

194940512 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37937 + ... + 42767.

It is an arithmetic number, because the mean of its divisors is an integer number (8701224).

Almost surely, 2^194940512 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 194940512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208829376).

194940512 is an abundant number, since it is smaller than the sum of its proper divisors (222718240).

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

194940512 is a wasteful number, since it uses less digits than its factorization.

194940512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4951 (or 4943 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 194940512 is about 13962.1098692139. The cubic root of 194940512 is about 579.8300254994.

The spelling of 194940512 in words is "one hundred ninety-four million, nine hundred forty thousand, five hundred twelve".