197895552 has 64 divisors (see below), whose sum is σ = 528245760. Its totient is φ = 65640960.

The previous prime is 197895491. The next prime is 197895557. The reversal of 197895552 is 255598791.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 197895495 and 197895504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197895557) by changing a digit.

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, 84477 + ... + 86787.

It is an arithmetic number, because the mean of its divisors is an integer number (8253840).

Almost surely, 2^197895552 is an apocalyptic number.

197895552 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 197895552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264122880).

197895552 is an abundant number, since it is smaller than the sum of its proper divisors (330350208).

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

197895552 is a wasteful number, since it uses less digits than its factorization.

197895552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551 (or 2539 counting only the distinct ones).

The product of its digits is 1134000, while the sum is 51.

The square root of 197895552 is about 14067.5353918162. The cubic root of 197895552 is about 582.7451633067.

The spelling of 197895552 in words is "one hundred ninety-seven million, eight hundred ninety-five thousand, five hundred fifty-two".