197965340 has 24 divisors (see below), whose sum is σ = 440182512. Its totient is φ = 74528000.

The previous prime is 197965333. The next prime is 197965367. The reversal of 197965340 is 43569791.

It is a junction number, because it is equal to n+sod(n) for n = 197965291 and 197965300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290786 + ... + 291465.

It is an arithmetic number, because the mean of its divisors is an integer number (18340938).

Almost surely, 2^197965340 is an apocalyptic number.

197965340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197965340 is an abundant number, since it is smaller than the sum of its proper divisors (242217172).

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

197965340 is a wasteful number, since it uses less digits than its factorization.

197965340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582277 (or 582275 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 197965340 is about 14070.0156360965. The cubic root of 197965340 is about 582.8136570809.

The spelling of 197965340 in words is "one hundred ninety-seven million, nine hundred sixty-five thousand, three hundred forty".