4197897 has 12 divisors (see below), whose sum is σ = 6615024. Its totient is φ = 2544120.

The previous prime is 4197887. The next prime is 4197913. The reversal of 4197897 is 7987914.

It is not a de Polignac number, because 4197897 - 2⁶ = 4197833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4197857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21103 + ... + 21300.

It is an arithmetic number, because the mean of its divisors is an integer number (551252).

Almost surely, 2^4197897 is an apocalyptic number.

It is an amenable number.

4197897 is a deficient number, since it is larger than the sum of its proper divisors (2417127).

4197897 is a wasteful number, since it uses less digits than its factorization.

4197897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42420 (or 42417 counting only the distinct ones).

The product of its digits is 127008, while the sum is 45.

The square root of 4197897 is about 2048.8770094859. The cubic root of 4197897 is about 161.3159312142.

The spelling of 4197897 in words is "four million, one hundred ninety-seven thousand, eight hundred ninety-seven".