240469 has 4 divisors (see below), whose sum is σ = 241920. Its totient is φ = 239020.

The previous prime is 240437. The next prime is 240473. The reversal of 240469 is 964042.

240469 is nontrivially palindromic in base 15.

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: 964042 = 2 ⋅482021.

It is a cyclic number.

It is not a de Polignac number, because 240469 - 2⁵ = 240437 is a prime.

It is a super-2 number, since 2×240469² = 115650679922, 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 (240479) 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, 439 + ... + 820.

It is an arithmetic number, because the mean of its divisors is an integer number (60480).

2²⁴⁰⁴⁶⁹ is an apocalyptic number.

It is an amenable number.

240469 is a deficient number, since it is larger than the sum of its proper divisors (1451).

240469 is a wasteful number, since it uses less digits than its factorization.

240469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 240469 is about 490.3763860546. The cubic root of 240469 is about 62.1851041138.

The spelling of 240469 in words is "two hundred forty thousand, four hundred sixty-nine".