197969328 has 30 divisors (see below), whose sum is σ = 554039564. Its totient is φ = 65989728.

The previous prime is 197969327. The next prime is 197969329. The reversal of 197969328 is 823969791.

197969328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (197969327) and next prime (197969329).

It is not an unprimeable number, because it can be changed into a prime (197969327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 687250 + ... + 687537.

Almost surely, 2^197969328 is an apocalyptic number.

197969328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

197969328 is an abundant number, since it is smaller than the sum of its proper divisors (356070236).

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

197969328 is a wasteful number, since it uses less digits than its factorization.

197969328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374801 (or 1374792 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 54.

The square root of 197969328 is about 14070.1573551968. The cubic root of 197969328 is about 582.8175706368.

The spelling of 197969328 in words is "one hundred ninety-seven million, nine hundred sixty-nine thousand, three hundred twenty-eight".