4235688 has 48 divisors (see below), whose sum is σ = 11618100. Its totient is φ = 1393920.

The previous prime is 4235683. The next prime is 4235713. The reversal of 4235688 is 8865324.

It can be written as a sum of positive squares in 2 ways, for example, as 4235364 + 324 = 2058^2 + 18^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (4235683) 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 11 ways as a sum of consecutive naturals, for example, 6078 + ... + 6738.

Almost surely, 2^4235688 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 4235688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5809050).

4235688 is an abundant number, since it is smaller than the sum of its proper divisors (7382412).

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

4235688 is a wasteful number, since it uses less digits than its factorization.

4235688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 762 (or 755 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 4235688 is about 2058.0787156958. The cubic root of 4235688 is about 161.7985607807.

The spelling of 4235688 in words is "four million, two hundred thirty-five thousand, six hundred eighty-eight".