194243612 has 12 divisors (see below), whose sum is σ = 357817320. Its totient is φ = 92010096.

The previous prime is 194243611. The next prime is 194243617. The reversal of 194243612 is 216342491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194243611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1277843 + ... + 1277994.

It is an arithmetic number, because the mean of its divisors is an integer number (29818110).

Almost surely, 2^194243612 is an apocalyptic number.

It is an amenable number.

194243612 is a deficient number, since it is larger than the sum of its proper divisors (163573708).

194243612 is a wasteful number, since it uses less digits than its factorization.

194243612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555860 (or 2555858 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 194243612 is about 13937.1306946588. The cubic root of 194243612 is about 579.1382486019.

It can be divided in two parts, 1942 and 43612, that added together give a palindrome (45554).

The spelling of 194243612 in words is "one hundred ninety-four million, two hundred forty-three thousand, six hundred twelve".