4197009 has 4 divisors (see below), whose sum is σ = 5596016. Its totient is φ = 2798004.

The previous prime is 4197007. The next prime is 4197019. The reversal of 4197009 is 9007914.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4197009 - 2¹ = 4197007 is a prime.

It is a super-2 number, since 2×4197009² = 35229769092162, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4197007) 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, 699499 + ... + 699504.

It is an arithmetic number, because the mean of its divisors is an integer number (1399004).

Almost surely, 2^4197009 is an apocalyptic number.

It is an amenable number.

4197009 is a deficient number, since it is larger than the sum of its proper divisors (1399007).

4197009 is a wasteful number, since it uses less digits than its factorization.

4197009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399006.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 4197009 is about 2048.6602939482. The cubic root of 4197009 is about 161.3045557844.

The spelling of 4197009 in words is "four million, one hundred ninety-seven thousand, nine".