4240808 has 48 divisors (see below), whose sum is σ = 9440340. Its totient is φ = 1774080.

The previous prime is 4240807. The next prime is 4240811. The reversal of 4240808 is 8080424.

It can be written as a sum of positive squares in 2 ways, for example, as 3833764 + 407044 = 1958^2 + 638^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

4240808 is a modest number, since divided by 808 gives 424 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4240801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12416 + ... + 12752.

Almost surely, 2^4240808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4240808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4720170).

4240808 is an abundant number, since it is smaller than the sum of its proper divisors (5199532).

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

4240808 is a wasteful number, since it uses less digits than its factorization.

4240808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378 (or 363 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 4240808 is about 2059.3222185952. The cubic root of 4240808 is about 161.8637272950.

The spelling of 4240808 in words is "four million, two hundred forty thousand, eight hundred eight".