4240008 has 24 divisors (see below), whose sum is σ = 11483550. Its totient is φ = 1413312.

The previous prime is 4240007. The next prime is 4240037. The reversal of 4240008 is 8000424.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 3992004 + 248004 = 1998^2 + 498^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (4240007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29373 + ... + 29516.

Almost surely, 2^4240008 is an apocalyptic number.

It is an amenable number.

4240008 is an abundant number, since it is smaller than the sum of its proper divisors (7243542).

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

4240008 is a wasteful number, since it uses less digits than its factorization.

4240008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58901 (or 58894 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 4240008 is about 2059.1279707682. The cubic root of 4240008 is about 161.8535484859.

The spelling of 4240008 in words is "four million, two hundred forty thousand, eight".