197677146 has 8 divisors (see below), whose sum is σ = 395354304. Its totient is φ = 65892380.

The previous prime is 197677141. The next prime is 197677147. The reversal of 197677146 is 641776791.

197677146 is digitally balanced in base 3, 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.

197677146 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 197677095 and 197677104.

It is not an unprimeable number, because it can be changed into a prime (197677141) 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, 16473090 + ... + 16473101.

It is an arithmetic number, because the mean of its divisors is an integer number (49419288).

Almost surely, 2^197677146 is an apocalyptic number.

197677146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

197677146 is a wasteful number, since it uses less digits than its factorization.

197677146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32946196.

The product of its digits is 444528, while the sum is 48.

The square root of 197677146 is about 14059.7704817682. The cubic root of 197677146 is about 582.5307035582.

The spelling of 197677146 in words is "one hundred ninety-seven million, six hundred seventy-seven thousand, one hundred forty-six".