197628337 has 2 divisors, whose sum is σ = 197628338. Its totient is φ = 197628336.

The previous prime is 197628313. The next prime is 197628401. The reversal of 197628337 is 733826791.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 192682161 + 4946176 = 13881^2 + 2224^2 .

It is a cyclic number.

It is not a de Polignac number, because 197628337 - 2¹⁹ = 197104049 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (197628437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98814168 + 98814169.

It is an arithmetic number, because the mean of its divisors is an integer number (98814169).

Almost surely, 2^197628337 is an apocalyptic number.

It is an amenable number.

197628337 is a deficient number, since it is larger than the sum of its proper divisors (1).

197628337 is an equidigital number, since it uses as much as digits as its factorization.

197628337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 46.

The square root of 197628337 is about 14058.0346065871. The cubic root of 197628337 is about 582.4827548665.

The spelling of 197628337 in words is "one hundred ninety-seven million, six hundred twenty-eight thousand, three hundred thirty-seven".