197608190 has 32 divisors (see below), whose sum is σ = 386104320. Its totient is φ = 72382464.

The previous prime is 197608183. The next prime is 197608193. The reversal of 197608190 is 91806791.

It is a happy number.

It is a super-2 number, since 2×197608190² = 78097993510152200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197608193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10526 + ... + 22494.

It is an arithmetic number, because the mean of its divisors is an integer number (12065760).

Almost surely, 2^197608190 is an apocalyptic number.

197608190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

197608190 is a deficient number, since it is larger than the sum of its proper divisors (188496130).

197608190 is a wasteful number, since it uses less digits than its factorization.

197608190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12116.

The product of its (nonzero) digits is 27216, while the sum is 41.

The square root of 197608190 is about 14057.3180230085. The cubic root of 197608190 is about 582.4629606760.

The spelling of 197608190 in words is "one hundred ninety-seven million, six hundred eight thousand, one hundred ninety".