4400197 has 2 divisors, whose sum is σ = 4400198. Its totient is φ = 4400196.

The previous prime is 4400189. The next prime is 4400203. The reversal of 4400197 is 7910044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2414916 + 1985281 = 1554^2 + 1409^2 .

It is a cyclic number.

It is not a de Polignac number, because 4400197 - 2³ = 4400189 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4400167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2200098 + 2200099.

It is an arithmetic number, because the mean of its divisors is an integer number (2200099).

Almost surely, 2^4400197 is an apocalyptic number.

It is an amenable number.

4400197 is a deficient number, since it is larger than the sum of its proper divisors (1).

4400197 is an equidigital number, since it uses as much as digits as its factorization.

4400197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 4400197 is about 2097.6646538472. The cubic root of 4400197 is about 163.8666996335.

The spelling of 4400197 in words is "four million, four hundred thousand, one hundred ninety-seven".