197159424 has 160 divisors (see below), whose sum is σ = 655243776. Its totient is φ = 51179520.

The previous prime is 197159423. The next prime is 197159437. The reversal of 197159424 is 424951791.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (197159423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117439 + ... + 119105.

Almost surely, 2^197159424 is an apocalyptic number.

197159424 is a gapful number since it is divisible by the number (14) 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 197159424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327621888).

197159424 is an abundant number, since it is smaller than the sum of its proper divisors (458084352).

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

197159424 is a wasteful number, since it uses less digits than its factorization.

197159424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706 (or 1690 counting only the distinct ones).

The product of its digits is 90720, while the sum is 42.

The square root of 197159424 is about 14041.3469439367. The cubic root of 197159424 is about 582.0217041775.

The spelling of 197159424 in words is "one hundred ninety-seven million, one hundred fifty-nine thousand, four hundred twenty-four".