193084949 has 8 divisors (see below), whose sum is σ = 198481752. Its totient is φ = 187720960.

The previous prime is 193084909. The next prime is 193085041. The reversal of 193084949 is 949480391.

It can be written as a sum of positive squares in 4 ways, for example, as 8614225 + 184470724 = 2935^2 + 13582^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-193084949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193084909) 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 7 ways as a sum of consecutive naturals, for example, 3977 + ... + 20049.

It is an arithmetic number, because the mean of its divisors is an integer number (24810219).

Almost surely, 2^193084949 is an apocalyptic number.

It is an amenable number.

193084949 is a deficient number, since it is larger than the sum of its proper divisors (5396803).

193084949 is a wasteful number, since it uses less digits than its factorization.

193084949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16407.

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 193084949 is about 13895.5010345075. The cubic root of 193084949 is about 577.9844316397.

The spelling of 193084949 in words is "one hundred ninety-three million, eighty-four thousand, nine hundred forty-nine".