194209532 has 12 divisors (see below), whose sum is σ = 370763736. Its totient is φ = 88277040.

The previous prime is 194209529. The next prime is 194209541. The reversal of 194209532 is 235902491.

It is a junction number, because it is equal to n+sod(n) for n = 194209492 and 194209501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2206883 + ... + 2206970.

It is an arithmetic number, because the mean of its divisors is an integer number (30896978).

Almost surely, 2^194209532 is an apocalyptic number.

It is an amenable number.

194209532 is a deficient number, since it is larger than the sum of its proper divisors (176554204).

194209532 is a wasteful number, since it uses less digits than its factorization.

194209532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4413868 (or 4413866 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 194209532 is about 13935.9080077331. The cubic root of 194209532 is about 579.1043767271.

The spelling of 194209532 in words is "one hundred ninety-four million, two hundred nine thousand, five hundred thirty-two".