2440369 has 4 divisors (see below), whose sum is σ = 2546496. Its totient is φ = 2334244.

The previous prime is 2440363. The next prime is 2440387. The reversal of 2440369 is 9630442.

2440369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9630442 = 2 ⋅4815221.

It is a cyclic number.

It is not a de Polignac number, because 2440369 - 2⁷ = 2440241 is a prime.

It is a super-2 number, since 2×2440369² = 11910801712322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2440363) 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 3 ways as a sum of consecutive naturals, for example, 53029 + ... + 53074.

It is an arithmetic number, because the mean of its divisors is an integer number (636624).

2^2440369 is an apocalyptic number.

It is an amenable number.

2440369 is a deficient number, since it is larger than the sum of its proper divisors (106127).

2440369 is a wasteful number, since it uses less digits than its factorization.

2440369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106126.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 2440369 is about 1562.1680447378. The cubic root of 2440369 is about 134.6330960934.

It can be divided in two parts, 244036 and 9, that multiplied together give a square (2196324 = 1482²).

The spelling of 2440369 in words is "two million, four hundred forty thousand, three hundred sixty-nine".