193326864 has 20 divisors (see below), whose sum is σ = 499427856. Its totient is φ = 64442272.

The previous prime is 193326863. The next prime is 193326871. The reversal of 193326864 is 468623391.

193326864 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 (193326863) 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, 2013774 + ... + 2013869.

Almost surely, 2^193326864 is an apocalyptic number.

It is an amenable number.

193326864 is an abundant number, since it is smaller than the sum of its proper divisors (306100992).

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

193326864 is a wasteful number, since it uses less digits than its factorization.

193326864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4027654 (or 4027648 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The square root of 193326864 is about 13904.2031055361. The cubic root of 193326864 is about 578.2257153348.

The spelling of 193326864 in words is "one hundred ninety-three million, three hundred twenty-six thousand, eight hundred sixty-four".