197963264 has 20 divisors (see below), whose sum is σ = 395540904. Its totient is φ = 98981376.

The previous prime is 197963263. The next prime is 197963279. The reversal of 197963264 is 462369791.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197963263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192812 + ... + 193835.

Almost surely, 2^197963264 is an apocalyptic number.

It is an amenable number.

197963264 is a deficient number, since it is larger than the sum of its proper divisors (197577640).

197963264 is an frugal number, since it uses more digits than its factorization.

197963264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386665 (or 386649 counting only the distinct ones).

The product of its digits is 489888, while the sum is 47.

The square root of 197963264 is about 14069.9418619979. The cubic root of 197963264 is about 582.8116198129.

The spelling of 197963264 in words is "one hundred ninety-seven million, nine hundred sixty-three thousand, two hundred sixty-four".