4197149 has 4 divisors (see below), whose sum is σ = 4578720. Its totient is φ = 3815580.

The previous prime is 4197143. The next prime is 4197161. The reversal of 4197149 is 9417914.

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 a cyclic number.

It is not a de Polignac number, because 4197149 - 2⁴ = 4197133 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 (4197143) 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, 190769 + ... + 190790.

It is an arithmetic number, because the mean of its divisors is an integer number (1144680).

Almost surely, 2^4197149 is an apocalyptic number.

It is an amenable number.

4197149 is a deficient number, since it is larger than the sum of its proper divisors (381571).

4197149 is a wasteful number, since it uses less digits than its factorization.

4197149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381570.

The product of its digits is 9072, while the sum is 35.

The square root of 4197149 is about 2048.6944623345. The cubic root of 4197149 is about 161.3063493145.

The spelling of 4197149 in words is "four million, one hundred ninety-seven thousand, one hundred forty-nine".