240208 has 10 divisors (see below), whose sum is σ = 465434. Its totient is φ = 120096.

The previous prime is 240203. The next prime is 240209. The reversal of 240208 is 802042.

It can be written as a sum of positive squares in only one way, i.e., 222784 + 17424 = 472^2 + 132^2 .

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 15013 = 240208 / (2 + 4 + 0 + 2 + 0 + 8).

It is a nialpdrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 240191 and 240200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7491 + ... + 7522.

2²⁴⁰²⁰⁸ is an apocalyptic number.

It is an amenable number.

240208 is a deficient number, since it is larger than the sum of its proper divisors (225226).

240208 is a wasteful number, since it uses less digits than its factorization.

240208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15021 (or 15015 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 240208 is about 490.1101916916. The cubic root of 240208 is about 62.1625978341.

The spelling of 240208 in words is "two hundred forty thousand, two hundred eight".