193243264 has 32 divisors (see below), whose sum is σ = 390269340. Its totient is φ = 95293440.

The previous prime is 193243261. The next prime is 193243277. The reversal of 193243264 is 462342391.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 185177664 + 8065600 = 13608^2 + 2840^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is not an unprimeable number, because it can be changed into a prime (193243261) 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, 997 + ... + 19684.

Almost surely, 2^193243264 is an apocalyptic number.

It is an amenable number.

193243264 is an abundant number, since it is smaller than the sum of its proper divisors (197026076).

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

193243264 is an equidigital number, since it uses as much as digits as its factorization.

193243264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20768 (or 20756 counting only the distinct ones).

The product of its digits is 31104, while the sum is 34.

The square root of 193243264 is about 13901.1964952662. The cubic root of 193243264 is about 578.1423562707.

The spelling of 193243264 in words is "one hundred ninety-three million, two hundred forty-three thousand, two hundred sixty-four".