197652380 has 12 divisors (see below), whose sum is σ = 415070040. Its totient is φ = 79060944.

The previous prime is 197652379. The next prime is 197652397. The reversal of 197652380 is 83256791.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 4941290 + ... + 4941329.

It is an arithmetic number, because the mean of its divisors is an integer number (34589170).

Almost surely, 2^197652380 is an apocalyptic number.

197652380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197652380 is an abundant number, since it is smaller than the sum of its proper divisors (217417660).

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

197652380 is a wasteful number, since it uses less digits than its factorization.

197652380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9882628 (or 9882626 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 197652380 is about 14058.8897143409. The cubic root of 197652380 is about 582.5063750707.

The spelling of 197652380 in words is "one hundred ninety-seven million, six hundred fifty-two thousand, three hundred eighty".