240538 has 8 divisors (see below), whose sum is σ = 364032. Its totient is φ = 119196.

The previous prime is 240517. The next prime is 240551. The reversal of 240538 is 835042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 220 + ... + 727.

It is an arithmetic number, because the mean of its divisors is an integer number (45504).

2²⁴⁰⁵³⁸ is an apocalyptic number.

240538 is a deficient number, since it is larger than the sum of its proper divisors (123494).

240538 is a wasteful number, since it uses less digits than its factorization.

240538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 240538 is about 490.4467351303. The cubic root of 240538 is about 62.1910513279.

The spelling of 240538 in words is "two hundred forty thousand, five hundred thirty-eight".