197286038 has 4 divisors (see below), whose sum is σ = 295929060. Its totient is φ = 98643018.

The previous prime is 197285999. The next prime is 197286053. The reversal of 197286038 is 830682791.

197286038 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 197286038.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 49321508 + ... + 49321511.

It is an arithmetic number, because the mean of its divisors is an integer number (73982265).

Almost surely, 2^197286038 is an apocalyptic number.

197286038 is a deficient number, since it is larger than the sum of its proper divisors (98643022).

197286038 is an equidigital number, since it uses as much as digits as its factorization.

197286038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98643021.

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 197286038 is about 14045.8548333663. The cubic root of 197286038 is about 582.1462672095.

The spelling of 197286038 in words is "one hundred ninety-seven million, two hundred eighty-six thousand, thirty-eight".