193834401 has 4 divisors (see below), whose sum is σ = 258445872. Its totient is φ = 129222932.

The previous prime is 193834387. The next prime is 193834423. The reversal of 193834401 is 104438391.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104438391 = 3 ⋅34812797.

It is a cyclic number.

It is not a de Polignac number, because 193834401 - 2⁵ = 193834369 is a prime.

It is a super-2 number, since 2×193834401² = 75143550022057602, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (193834441) 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, 32305731 + ... + 32305736.

It is an arithmetic number, because the mean of its divisors is an integer number (64611468).

Almost surely, 2^193834401 is an apocalyptic number.

It is an amenable number.

193834401 is a deficient number, since it is larger than the sum of its proper divisors (64611471).

193834401 is an equidigital number, since it uses as much as digits as its factorization.

193834401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64611470.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 193834401 is about 13922.4423503924. The cubic root of 193834401 is about 578.7312745008.

The spelling of 193834401 in words is "one hundred ninety-three million, eight hundred thirty-four thousand, four hundred one".