193374081 has 32 divisors (see below), whose sum is σ = 294940800. Its totient is φ = 125141760.

The previous prime is 193374079. The next prime is 193374089. The reversal of 193374081 is 180473391.

It is a happy number.

It is not a de Polignac number, because 193374081 - 2¹ = 193374079 is a prime.

It is a super-2 number, since 2×193374081² = 74787070405189122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (193374089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 339565 + ... + 340133.

It is an arithmetic number, because the mean of its divisors is an integer number (9216900).

Almost surely, 2^193374081 is an apocalyptic number.

It is an amenable number.

193374081 is a deficient number, since it is larger than the sum of its proper divisors (101566719).

193374081 is a wasteful number, since it uses less digits than its factorization.

193374081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926 (or 920 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 193374081 is about 13905.9009416866. The cubic root of 193374081 is about 578.2727856360.

The spelling of 193374081 in words is "one hundred ninety-three million, three hundred seventy-four thousand, eighty-one".