240534 has 48 divisors (see below), whose sum is σ = 628992. Its totient is φ = 64944.

The previous prime is 240517. The next prime is 240551. The reversal of 240534 is 435042.

It is a happy number.

240534 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (240517) and next prime (240551).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 2857 + ... + 2939.

It is an arithmetic number, because the mean of its divisors is an integer number (13104).

2²⁴⁰⁵³⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 240534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314496).

240534 is an abundant number, since it is smaller than the sum of its proper divisors (388458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

240534 is a wasteful number, since it uses less digits than its factorization.

240534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 240534 is about 490.4426571986. The cubic root of 240534 is about 62.1907065929.

Adding to 240534 its reverse (435042), we get a palindrome (675576).

The spelling of 240534 in words is "two hundred forty thousand, five hundred thirty-four".