197292340 has 24 divisors (see below), whose sum is σ = 473501952. Its totient is φ = 67643040.

The previous prime is 197292331. The next prime is 197292373. The reversal of 197292340 is 43292791.

It is a self number, because there is not a number n which added to its sum of digits gives 197292340.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 704476 + ... + 704755.

It is an arithmetic number, because the mean of its divisors is an integer number (19729248).

Almost surely, 2^197292340 is an apocalyptic number.

197292340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197292340 is an abundant number, since it is smaller than the sum of its proper divisors (276209612).

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

197292340 is a wasteful number, since it uses less digits than its factorization.

197292340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409247 (or 1409245 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 197292340 is about 14046.0791682234. The cubic root of 197292340 is about 582.1524657334.

The spelling of 197292340 in words is "one hundred ninety-seven million, two hundred ninety-two thousand, three hundred forty".