193849929 has 135 divisors (see below), whose sum is σ = 387480357. Its totient is φ = 96235776.

The previous prime is 193849907. The next prime is 193849937. The reversal of 193849929 is 929948391.

The square root of 193849929 is 13923.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1750329 + 192099600 = 1323^2 + 13860^2 .

It is not a de Polignac number, because 193849929 - 2⁵ = 193849897 is a prime.

It is not an unprimeable number, because it can be changed into a prime (193849969) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 11402929 + ... + 11402945.

Almost surely, 2^193849929 is an apocalyptic number.

193849929 is the 13923-rd square number.

193849929 is the 6962-nd centered octagonal number.

It is an amenable number.

193849929 is a deficient number, since it is larger than the sum of its proper divisors (193630428).

193849929 is a wasteful number, since it uses less digits than its factorization.

193849929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86 (or 40 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 54.

The cubic root of 193849929 is about 578.7467280687.

The spelling of 193849929 in words is "one hundred ninety-three million, eight hundred forty-nine thousand, nine hundred twenty-nine".