240486 has 16 divisors (see below), whose sum is σ = 486000. Its totient is φ = 79328.

The previous prime is 240479. The next prime is 240491. The reversal of 240486 is 684042.

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 7 ways as a sum of consecutive naturals, for example, 760 + ... + 1028.

It is an arithmetic number, because the mean of its divisors is an integer number (30375).

2²⁴⁰⁴⁸⁶ is an apocalyptic number.

240486 is an abundant number, since it is smaller than the sum of its proper divisors (245514).

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

240486 is a wasteful number, since it uses less digits than its factorization.

240486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 240486 is about 490.3937193725. The cubic root of 240486 is about 62.1865694751.

Subtracting 240486 from its reverse (684042), we obtain a square (443556 = 666²).

The spelling of 240486 in words is "two hundred forty thousand, four hundred eighty-six".