197285895 has 32 divisors (see below), whose sum is σ = 356495040. Its totient is φ = 103489920.

The previous prime is 197285863. The next prime is 197285899. The reversal of 197285895 is 598582791.

It is not a de Polignac number, because 197285895 - 2⁵ = 197285863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197285899) 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, 3744 + ... + 20213.

It is an arithmetic number, because the mean of its divisors is an integer number (11140470).

Almost surely, 2^197285895 is an apocalyptic number.

197285895 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

197285895 is a deficient number, since it is larger than the sum of its proper divisors (159209145).

197285895 is a wasteful number, since it uses less digits than its factorization.

197285895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24032 (or 24026 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 54.

The square root of 197285895 is about 14045.8497428956. The cubic root of 197285895 is about 582.1461265559.

The spelling of 197285895 in words is "one hundred ninety-seven million, two hundred eighty-five thousand, eight hundred ninety-five".