193968692 has 12 divisors (see below), whose sum is σ = 339715236. Its totient is φ = 96907200.

The previous prime is 193968679. The next prime is 193968727. The reversal of 193968692 is 296869391.

It can be written as a sum of positive squares in 2 ways, for example, as 53640976 + 140327716 = 7324^2 + 11846^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13433 + ... + 23840.

It is an arithmetic number, because the mean of its divisors is an integer number (28309603).

Almost surely, 2^193968692 is an apocalyptic number.

It is an amenable number.

193968692 is a deficient number, since it is larger than the sum of its proper divisors (145746544).

193968692 is a wasteful number, since it uses less digits than its factorization.

193968692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38578 (or 38576 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 53.

The square root of 193968692 is about 13927.2643401351. The cubic root of 193968692 is about 578.8648945049.

The spelling of 193968692 in words is "one hundred ninety-three million, nine hundred sixty-eight thousand, six hundred ninety-two".