4197841 has 4 divisors (see below), whose sum is σ = 4418800. Its totient is φ = 3976884.

The previous prime is 4197839. The next prime is 4197857. The reversal of 4197841 is 1487914.

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 4197841 - 2¹ = 4197839 is a prime.

It is a super-2 number, since 2×4197841² = 35243738122562, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

4197841 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4197797 and 4197806.

It is not an unprimeable number, because it can be changed into a prime (4197821) 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, 110451 + ... + 110488.

It is an arithmetic number, because the mean of its divisors is an integer number (1104700).

Almost surely, 2^4197841 is an apocalyptic number.

It is an amenable number.

4197841 is a deficient number, since it is larger than the sum of its proper divisors (220959).

4197841 is a wasteful number, since it uses less digits than its factorization.

4197841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220958.

The product of its digits is 8064, while the sum is 34.

The square root of 4197841 is about 2048.8633434175. The cubic root of 4197841 is about 161.3152138922.

The spelling of 4197841 in words is "four million, one hundred ninety-seven thousand, eight hundred forty-one".