4197397 has 4 divisors (see below), whose sum is σ = 4210956. Its totient is φ = 4183840.

The previous prime is 4197367. The next prime is 4197407. The reversal of 4197397 is 7937914.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7937914 = 2 ⋅3968957.

It can be written as a sum of positive squares in 2 ways, for example, as 2452356 + 1745041 = 1566^2 + 1321^2 .

It is a cyclic number.

It is not a de Polignac number, because 4197397 - 2¹¹ = 4195349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4197337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6304 + ... + 6937.

It is an arithmetic number, because the mean of its divisors is an integer number (1052739).

Almost surely, 2^4197397 is an apocalyptic number.

It is an amenable number.

4197397 is a deficient number, since it is larger than the sum of its proper divisors (13559).

4197397 is a wasteful number, since it uses less digits than its factorization.

4197397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13558.

The product of its digits is 47628, while the sum is 40.

The square root of 4197397 is about 2048.7549877914. The cubic root of 4197397 is about 161.3095263272.

The spelling of 4197397 in words is "four million, one hundred ninety-seven thousand, three hundred ninety-seven".