193794049 has 16 divisors (see below), whose sum is σ = 203487568. Its totient is φ = 184384512.

The previous prime is 193794047. The next prime is 193794059. The reversal of 193794049 is 940497391.

It can be written as a sum of positive squares in 8 ways, for example, as 23961025 + 169833024 = 4895^2 + 13032^2 .

It is a cyclic number.

It is not a de Polignac number, because 193794049 - 2¹ = 193794047 is a prime.

It is a super-2 number, since 2×193794049² = 75112266855628802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (193794047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 423829 + ... + 424285.

It is an arithmetic number, because the mean of its divisors is an integer number (12717973).

Almost surely, 2^193794049 is an apocalyptic number.

It is an amenable number.

193794049 is a deficient number, since it is larger than the sum of its proper divisors (9693519).

193794049 is a wasteful number, since it uses less digits than its factorization.

193794049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 193794049 is about 13920.9931039420. The cubic root of 193794049 is about 578.6911120649.

The spelling of 193794049 in words is "one hundred ninety-three million, seven hundred ninety-four thousand, forty-nine".