193838656 has 28 divisors (see below), whose sum is σ = 419618160. Its totient is φ = 88108160.

The previous prime is 193838651. The next prime is 193838681. The reversal of 193838656 is 656838391.

193838656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (193838651) 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, 136966 + ... + 138373.

Almost surely, 2^193838656 is an apocalyptic number.

193838656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

193838656 is an abundant number, since it is smaller than the sum of its proper divisors (225779504).

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

193838656 is a wasteful number, since it uses less digits than its factorization.

193838656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275362 (or 275352 counting only the distinct ones).

The product of its digits is 933120, while the sum is 49.

The square root of 193838656 is about 13922.5951603859. The cubic root of 193838656 is about 578.7355091869.

The spelling of 193838656 in words is "one hundred ninety-three million, eight hundred thirty-eight thousand, six hundred fifty-six".