194838912 has 64 divisors (see below), whose sum is σ = 575055600. Its totient is φ = 64945152.

The previous prime is 194838883. The next prime is 194838947. The reversal of 194838912 is 219838491.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-4 number, since 4×194838912⁴ (a number of 34 digits) contains 4444 as substring.

It is a nude number because it is divisible by every one of its digits.

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, 24733 + ... + 31644.

Almost surely, 2^194838912 is an apocalyptic number.

194838912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

194838912 is an abundant number, since it is smaller than the sum of its proper divisors (380216688).

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

194838912 is an equidigital number, since it uses as much as digits as its factorization.

194838912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56400 (or 56382 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 194838912 is about 13958.4709764358. The cubic root of 194838912 is about 579.7292751604.

The spelling of 194838912 in words is "one hundred ninety-four million, eight hundred thirty-eight thousand, nine hundred twelve".