240606 has 12 divisors (see below), whose sum is σ = 521352. Its totient is φ = 80196.

The previous prime is 240599. The next prime is 240607. The reversal of 240606 is 606042.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 13367 = 240606 / (2 + 4 + 0 + 6 + 0 + 6).

240606 is a modest number, since divided by 606 gives 24 as remainder.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6666 + ... + 6701.

It is an arithmetic number, because the mean of its divisors is an integer number (43446).

2²⁴⁰⁶⁰⁶ is an apocalyptic number.

240606 is an abundant number, since it is smaller than the sum of its proper divisors (280746).

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

240606 is a wasteful number, since it uses less digits than its factorization.

240606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13375 (or 13372 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 240606 is about 490.5160547831. The cubic root of 240606 is about 62.1969112378.

Adding to 240606 its reverse (606042), we get a palindrome (846648).

The spelling of 240606 in words is "two hundred forty thousand, six hundred six".