4385240 has 32 divisors (see below), whose sum is σ = 10136880. Its totient is φ = 1706112.

The previous prime is 4385209. The next prime is 4385243. The reversal of 4385240 is 425834.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4385243) by changing a digit.

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, 2 + ... + 2961.

Almost surely, 2^4385240 is an apocalyptic number.

4385240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4385240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5068440).

4385240 is an abundant number, since it is smaller than the sum of its proper divisors (5751640).

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

4385240 is a wasteful number, since it uses less digits than its factorization.

4385240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3011 (or 3007 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 4385240 is about 2094.0964638717. The cubic root of 4385240 is about 163.6808188233.

The spelling of 4385240 in words is "four million, three hundred eighty-five thousand, two hundred forty".