197793966 has 8 divisors (see below), whose sum is σ = 395587944. Its totient is φ = 65931320.

The previous prime is 197793943. The next prime is 197793977. The reversal of 197793966 is 669397791.

197793966 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.

197793966 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16482825 + ... + 16482836.

It is an arithmetic number, because the mean of its divisors is an integer number (49448493).

Almost surely, 2^197793966 is an apocalyptic number.

197793966 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.

197793966 is a wasteful number, since it uses less digits than its factorization.

197793966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32965666.

The product of its digits is 3857868, while the sum is 57.

The square root of 197793966 is about 14063.9242745402. The cubic root of 197793966 is about 582.6454324437.

The spelling of 197793966 in words is "one hundred ninety-seven million, seven hundred ninety-three thousand, nine hundred sixty-six".