2442869 has 12 divisors (see below), whose sum is σ = 2893548. Its totient is φ = 2048640.

The previous prime is 2442859. The next prime is 2442871. The reversal of 2442869 is 9682442.

2442869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 302500 + 2140369 = 550^2 + 1463^2 .

It is not a de Polignac number, because 2442869 - 2¹² = 2438773 is a prime.

It is a super-2 number, since 2×2442869² = 11935217902322, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2⁵ + 4 + 4⁸ + 2⁷ + 8⁷ + 6⁷ + 9² .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2442809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 797 + ... + 2349.

It is an arithmetic number, because the mean of its divisors is an integer number (241129).

2^2442869 is an apocalyptic number.

It is an amenable number.

2442869 is a deficient number, since it is larger than the sum of its proper divisors (450679).

2442869 is a wasteful number, since it uses less digits than its factorization.

2442869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588 (or 1577 counting only the distinct ones).

The product of its digits is 27648, while the sum is 35.

The square root of 2442869 is about 1562.9680099094. The cubic root of 2442869 is about 134.6790546991.

It can be divided in two parts, 244 and 2869, that added together give a palindrome (3113).

The spelling of 2442869 in words is "two million, four hundred forty-two thousand, eight hundred sixty-nine".