197049580 has 72 divisors (see below), whose sum is σ = 518425488. Its totient is φ = 62358912.

The previous prime is 197049571. The next prime is 197049617. The reversal of 197049580 is 85940791.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5007 + ... + 20473.

It is an arithmetic number, because the mean of its divisors is an integer number (7200354).

Almost surely, 2^197049580 is an apocalyptic number.

197049580 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 197049580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259212744).

197049580 is an abundant number, since it is smaller than the sum of its proper divisors (321375908).

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

197049580 is a wasteful number, since it uses less digits than its factorization.

197049580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15503 (or 15494 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 197049580 is about 14037.4349508733. The cubic root of 197049580 is about 581.9135962866.

The spelling of 197049580 in words is "one hundred ninety-seven million, forty-nine thousand, five hundred eighty".