197807532 has 48 divisors (see below), whose sum is σ = 501658080. Its totient is φ = 60300288.

The previous prime is 197807531. The next prime is 197807581. The reversal of 197807532 is 235708791.

It is not an unprimeable number, because it can be changed into a prime (197807531) 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, 11188 + ... + 22820.

It is an arithmetic number, because the mean of its divisors is an integer number (10451210).

Almost surely, 2^197807532 is an apocalyptic number.

197807532 is a gapful number since it is divisible by the number (12) 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 197807532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250829040).

197807532 is an abundant number, since it is smaller than the sum of its proper divisors (303850548).

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

197807532 is a wasteful number, since it uses less digits than its factorization.

197807532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11762 (or 11760 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 42.

The square root of 197807532 is about 14064.4065640894. The cubic root of 197807532 is about 582.6587526802.

The spelling of 197807532 in words is "one hundred ninety-seven million, eight hundred seven thousand, five hundred thirty-two".