197484240 has 160 divisors (see below), whose sum is σ = 656208000. Its totient is φ = 48955392.

The previous prime is 197484227. The next prime is 197484241. The reversal of 197484240 is 42484791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197484241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 395511 + ... + 396009.

It is an arithmetic number, because the mean of its divisors is an integer number (4101300).

Almost surely, 2^197484240 is an apocalyptic number.

197484240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197484240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328104000).

197484240 is an abundant number, since it is smaller than the sum of its proper divisors (458723760).

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

197484240 is a wasteful number, since it uses less digits than its factorization.

197484240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629 (or 623 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 197484240 is about 14052.9085957321. The cubic root of 197484240 is about 582.3411516486.

The spelling of 197484240 in words is "one hundred ninety-seven million, four hundred eighty-four thousand, two hundred forty".