4235634 has 48 divisors (see below), whose sum is σ = 10325952. Its totient is φ = 1245024.

The previous prime is 4235633. The next prime is 4235639. The reversal of 4235634 is 4365324.

4235634 is a `hidden beast` number, since 4 + 23 + 5 + 634 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4235598 and 4235607.

It is not an unprimeable number, because it can be changed into a prime (4235633) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4989 + ... + 5775.

It is an arithmetic number, because the mean of its divisors is an integer number (215124).

Almost surely, 2^4235634 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4235634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5162976).

4235634 is an abundant number, since it is smaller than the sum of its proper divisors (6090318).

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

4235634 is a wasteful number, since it uses less digits than its factorization.

4235634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831 (or 828 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 4235634 is about 2058.0655966222. The cubic root of 4235634 is about 161.7978731978.

The spelling of 4235634 in words is "four million, two hundred thirty-five thousand, six hundred thirty-four".