4427197 has 4 divisors (see below), whose sum is σ = 4499836. Its totient is φ = 4354560.

The previous prime is 4427173. The next prime is 4427251. The reversal of 4427197 is 7917244.

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

It can be written as a sum of positive squares in 2 ways, for example, as 241081 + 4186116 = 491^2 + 2046^2 .

It is a cyclic number.

It is not a de Polignac number, because 4427197 - 2⁷ = 4427069 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4427107) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 36228 + ... + 36349.

It is an arithmetic number, because the mean of its divisors is an integer number (1124959).

Almost surely, 2^4427197 is an apocalyptic number.

It is an amenable number.

4427197 is a deficient number, since it is larger than the sum of its proper divisors (72639).

4427197 is an equidigital number, since it uses as much as digits as its factorization.

4427197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72638.

The product of its digits is 14112, while the sum is 34.

The square root of 4427197 is about 2104.0905398770. The cubic root of 4427197 is about 164.2011833023.

It can be divided in two parts, 4427 and 197, that added together give a square (4624 = 68²).

The spelling of 4427197 in words is "four million, four hundred twenty-seven thousand, one hundred ninety-seven".