193898055 has 32 divisors (see below), whose sum is σ = 334817280. Its totient is φ = 95253120.

The previous prime is 193898011. The next prime is 193898057. The reversal of 193898055 is 550898391.

It is not a de Polignac number, because 193898055 - 2¹⁰ = 193897031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 193897995 and 193898013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193898057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134026 + ... + 135464.

It is an arithmetic number, because the mean of its divisors is an integer number (10463040).

Almost surely, 2^193898055 is an apocalyptic number.

193898055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

193898055 is a deficient number, since it is larger than the sum of its proper divisors (140919225).

193898055 is a wasteful number, since it uses less digits than its factorization.

193898055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151.

The product of its (nonzero) digits is 388800, while the sum is 48.

The square root of 193898055 is about 13924.7281840616. The cubic root of 193898055 is about 578.7946181394.

The spelling of 193898055 in words is "one hundred ninety-three million, eight hundred ninety-eight thousand, fifty-five".