197264364 has 72 divisors (see below), whose sum is σ = 511230720. Its totient is φ = 59151840.

The previous prime is 197264339. The next prime is 197264369. The reversal of 197264364 is 463462791.

It is not an unprimeable number, because it can be changed into a prime (197264369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 148897 + ... + 150215.

Almost surely, 2^197264364 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197264364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255615360).

197264364 is an abundant number, since it is smaller than the sum of its proper divisors (313966356).

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

197264364 is a wasteful number, since it uses less digits than its factorization.

197264364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1451 (or 1438 counting only the distinct ones).

The product of its digits is 217728, while the sum is 42.

The square root of 197264364 is about 14045.0832678201. The cubic root of 197264364 is about 582.1249480791.

It can be divided in two parts, 19726 and 4364, that added together give a triangular number (24090 = T₂₁₉).

The spelling of 197264364 in words is "one hundred ninety-seven million, two hundred sixty-four thousand, three hundred sixty-four".