193728256 has 36 divisors (see below), whose sum is σ = 407062600. Its totient is φ = 91763712.

The previous prime is 193728251. The next prime is 193728259. The reversal of 193728256 is 652827391.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193728251) 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, 15051 + ... + 24778.

Almost surely, 2^193728256 is an apocalyptic number.

193728256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

193728256 is an abundant number, since it is smaller than the sum of its proper divisors (213334344).

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

193728256 is an equidigital number, since it uses as much as digits as its factorization.

193728256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39864 (or 39850 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The square root of 193728256 is about 13918.6298176221. The cubic root of 193728256 is about 578.6256161875.

The spelling of 193728256 in words is "one hundred ninety-three million, seven hundred twenty-eight thousand, two hundred fifty-six".