194098057 has 4 divisors (see below), whose sum is σ = 194519556. Its totient is φ = 193676560.

The previous prime is 194098043. The next prime is 194098103. The reversal of 194098057 is 750890491.

194098057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 136048896 + 58049161 = 11664^2 + 7619^2 .

It is a cyclic number.

It is not a de Polignac number, because 194098057 - 2²⁷ = 59880329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194099057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210058 + ... + 210979.

It is an arithmetic number, because the mean of its divisors is an integer number (48629889).

Almost surely, 2^194098057 is an apocalyptic number.

It is an amenable number.

194098057 is a deficient number, since it is larger than the sum of its proper divisors (421499).

194098057 is an equidigital number, since it uses as much as digits as its factorization.

194098057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421498.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 194098057 is about 13931.9078736546. The cubic root of 194098057 is about 578.9935548136.

The spelling of 194098057 in words is "one hundred ninety-four million, ninety-eight thousand, fifty-seven".