197326930 has 16 divisors (see below), whose sum is σ = 355402584. Its totient is φ = 78883200.

The previous prime is 197326919. The next prime is 197326937. The reversal of 197326930 is 39623791.

197326930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 196812841 + 514089 = 14029^2 + 717^2 .

It is not an unprimeable number, because it can be changed into a prime (197326937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14980 + ... + 24880.

Almost surely, 2^197326930 is an apocalyptic number.

197326930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

197326930 is a deficient number, since it is larger than the sum of its proper divisors (158075654).

197326930 is a wasteful number, since it uses less digits than its factorization.

197326930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11901.

The product of its (nonzero) digits is 61236, while the sum is 40.

The square root of 197326930 is about 14047.3104187243. The cubic root of 197326930 is about 582.1864854308.

It can be divided in two parts, 19732 and 6930, that added together give a palindrome (26662).

The spelling of 197326930 in words is "one hundred ninety-seven million, three hundred twenty-six thousand, nine hundred thirty".