240618 has 32 divisors (see below), whose sum is σ = 584064. Its totient is φ = 64512.

The previous prime is 240607. The next prime is 240623. The reversal of 240618 is 816042.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 240594 and 240603.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 546 + ... + 882.

It is an arithmetic number, because the mean of its divisors is an integer number (18252).

2²⁴⁰⁶¹⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 240618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292032).

240618 is an abundant number, since it is smaller than the sum of its proper divisors (343446).

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

240618 is a wasteful number, since it uses less digits than its factorization.

240618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 240618 is about 490.5282866461. The cubic root of 240618 is about 62.1979452249.

It can be divided in two parts, 240 and 618, that added together give a palindrome (858).

The spelling of 240618 in words is "two hundred forty thousand, six hundred eighteen".