197905382 has 8 divisors (see below), whose sum is σ = 297131976. Its totient is φ = 98861392.

The previous prime is 197905373. The next prime is 197905399. The reversal of 197905382 is 283509791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42908 + ... + 47295.

It is an arithmetic number, because the mean of its divisors is an integer number (37141497).

Almost surely, 2^197905382 is an apocalyptic number.

197905382 is a deficient number, since it is larger than the sum of its proper divisors (99226594).

197905382 is a wasteful number, since it uses less digits than its factorization.

197905382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91302.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 197905382 is about 14067.8847734832. The cubic root of 197905382 is about 582.7548119826.

The spelling of 197905382 in words is "one hundred ninety-seven million, nine hundred five thousand, three hundred eighty-two".