240004 has 12 divisors (see below), whose sum is σ = 434700. Its totient is φ = 115808.

The previous prime is 239999. The next prime is 240007. The reversal of 240004 is 400042.

It can be written as a sum of positive squares in 2 ways, for example, as 78400 + 161604 = 280^2 + 402^2 .

It is not an unprimeable number, because it can be changed into a prime (240007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 919 + ... + 1150.

It is an arithmetic number, because the mean of its divisors is an integer number (36225).

2²⁴⁰⁰⁰⁴ is an apocalyptic number.

It is an amenable number.

240004 is a deficient number, since it is larger than the sum of its proper divisors (194696).

240004 is a wasteful number, since it uses less digits than its factorization.

240004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102 (or 2100 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 240004 is about 489.9020310225. The cubic root of 240004 is about 62.1449953652.

Adding to 240004 its reverse (400042), we get a palindrome (640046).

It can be divided in two parts, 2 and 40004, that multiplied together give a palindrome (80008).

The spelling of 240004 in words is "two hundred forty thousand, four", and thus it is an iban number.