4142869 has 4 divisors (see below), whose sum is σ = 4158540. Its totient is φ = 4127200.

The previous prime is 4142863. The next prime is 4142891. The reversal of 4142869 is 9682414.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2439844 + 1703025 = 1562^2 + 1305^2 .

It is a cyclic number.

It is not a de Polignac number, because 4142869 - 2¹¹ = 4140821 is a prime.

It is a super-2 number, since 2×4142869² = 34326727102322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4142863) 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, 7432 + ... + 7969.

It is an arithmetic number, because the mean of its divisors is an integer number (1039635).

Almost surely, 2^4142869 is an apocalyptic number.

It is an amenable number.

4142869 is a deficient number, since it is larger than the sum of its proper divisors (15671).

4142869 is a wasteful number, since it uses less digits than its factorization.

4142869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15670.

The product of its digits is 13824, while the sum is 34.

The square root of 4142869 is about 2035.4038911233. The cubic root of 4142869 is about 160.6079604124.

The spelling of 4142869 in words is "four million, one hundred forty-two thousand, eight hundred sixty-nine".