240612 has 12 divisors (see below), whose sum is σ = 561456. Its totient is φ = 80200.

The previous prime is 240607. The next prime is 240623. The reversal of 240612 is 216042.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (15) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 240591 and 240600.

It is an unprimeable number.

240612 is an untouchable number, because it is not equal to the sum of proper divisors of any 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, 10014 + ... + 10037.

It is an arithmetic number, because the mean of its divisors is an integer number (46788).

2²⁴⁰⁶¹² is an apocalyptic number.

It is an amenable number.

240612 is an abundant number, since it is smaller than the sum of its proper divisors (320844).

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

240612 is a wasteful number, since it uses less digits than its factorization.

240612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20058 (or 20056 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 240612 is about 490.5221707528. The cubic root of 240612 is about 62.1974282357.

Adding to 240612 its reverse (216042), we get a palindrome (456654).

The spelling of 240612 in words is "two hundred forty thousand, six hundred twelve".