190897205 has 8 divisors (see below), whose sum is σ = 229824672. Its totient is φ = 152219088.

The previous prime is 190897193. The next prime is 190897219. The reversal of 190897205 is 502798091.

190897205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 190897205 - 2⁶ = 190897141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60647 + ... + 63716.

It is an arithmetic number, because the mean of its divisors is an integer number (28728084).

Almost surely, 2^190897205 is an apocalyptic number.

It is an amenable number.

190897205 is a deficient number, since it is larger than the sum of its proper divisors (38927467).

190897205 is a wasteful number, since it uses less digits than its factorization.

190897205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124675.

The product of its (nonzero) digits is 45360, while the sum is 41.

The square root of 190897205 is about 13816.5554679884. Note that the first 3 decimals coincide. The cubic root of 190897205 is about 575.7931888793.

The spelling of 190897205 in words is "one hundred ninety million, eight hundred ninety-seven thousand, two hundred five".