4235840 has 112 divisors (see below), whose sum is σ = 12094464. Its totient is φ = 1382400.

The previous prime is 4235837. The next prime is 4235851. The reversal of 4235840 is 485324.

It is a tau number, because it is divible by the number of its divisors (112).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69410 + ... + 69470.

Almost surely, 2^4235840 is an apocalyptic number.

4235840 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 4235840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6047232).

4235840 is an abundant number, since it is smaller than the sum of its proper divisors (7858624).

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

4235840 is a wasteful number, since it uses less digits than its factorization.

4235840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 106 counting only the distinct ones).

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

The square root of 4235840 is about 2058.1156430094. The cubic root of 4235840 is about 161.8004961677.

The spelling of 4235840 in words is "four million, two hundred thirty-five thousand, eight hundred forty".