193906441 has 8 divisors (see below), whose sum is σ = 200936520. Its totient is φ = 186899328.

The previous prime is 193906429. The next prime is 193906459. The reversal of 193906441 is 144609391.

193906441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 585225 + 193321216 = 765^2 + 13904^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 193906441 - 2¹¹ = 193904393 is a prime.

It is a super-2 number, since 2×193906441² = 75199415722572962, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 193906441.

It is not an unprimeable number, because it can be changed into a prime (193906421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12475 + ... + 23311.

It is an arithmetic number, because the mean of its divisors is an integer number (25117065).

Almost surely, 2^193906441 is an apocalyptic number.

It is an amenable number.

193906441 is a deficient number, since it is larger than the sum of its proper divisors (7030079).

193906441 is a wasteful number, since it uses less digits than its factorization.

193906441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11483.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 193906441 is about 13925.0292997896. The cubic root of 193906441 is about 578.8029622178.

The spelling of 193906441 in words is "one hundred ninety-three million, nine hundred six thousand, four hundred forty-one".