4235905 has 16 divisors (see below), whose sum is σ = 5261760. Its totient is φ = 3272128.

The previous prime is 4235899. The next prime is 4235923. The reversal of 4235905 is 5095324.

4235905 is nontrivially palindromic in base 2.

It is a cyclic number.

It is not a de Polignac number, because 4235905 - 2³ = 4235897 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24399 + ... + 24571.

It is an arithmetic number, because the mean of its divisors is an integer number (328860).

Almost surely, 2^4235905 is an apocalyptic number.

It is an amenable number.

4235905 is a deficient number, since it is larger than the sum of its proper divisors (1025855).

4235905 is a wasteful number, since it uses less digits than its factorization.

4235905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 4235905 is about 2058.1314340926. The cubic root of 4235905 is about 161.8013237862.

It can be divided in two parts, 423 and 5905, that added together give a triangular number (6328 = T₁₁₂).

The spelling of 4235905 in words is "four million, two hundred thirty-five thousand, nine hundred five".