194264512 has 56 divisors (see below), whose sum is σ = 437032400. Its totient is φ = 84934656.

The previous prime is 194264479. The next prime is 194264513. The reversal of 194264512 is 215462491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194264513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9664 + ... + 21952.

It is an arithmetic number, because the mean of its divisors is an integer number (7804150).

Almost surely, 2^194264512 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 194264512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218516200).

194264512 is an abundant number, since it is smaller than the sum of its proper divisors (242767888).

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

194264512 is a wasteful number, since it uses less digits than its factorization.

194264512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12333 (or 12323 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 194264512 is about 13937.8804701432. The cubic root of 194264512 is about 579.1590190066.

The spelling of 194264512 in words is "one hundred ninety-four million, two hundred sixty-four thousand, five hundred twelve".