4143969 has 12 divisors (see below), whose sum is σ = 6010576. Its totient is φ = 2751192.

The previous prime is 4143967. The next prime is 4143973. The reversal of 4143969 is 9693414.

It is not a de Polignac number, because 4143969 - 2¹ = 4143967 is a prime.

It is a super-2 number, since 2×4143969² = 34344958145922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4143961) 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, 1734 + ... + 3360.

Almost surely, 2^4143969 is an apocalyptic number.

It is an amenable number.

4143969 is a deficient number, since it is larger than the sum of its proper divisors (1866607).

4143969 is a wasteful number, since it uses less digits than its factorization.

4143969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1916 (or 1913 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 4143969 is about 2035.6740898287. The cubic root of 4143969 is about 160.6221738414.

The spelling of 4143969 in words is "four million, one hundred forty-three thousand, nine hundred sixty-nine".