4235405 has 16 divisors (see below), whose sum is σ = 5287680. Its totient is φ = 3254592.

The previous prime is 4235401. The next prime is 4235411. The reversal of 4235405 is 5045324.

It is not a de Polignac number, because 4235405 - 2² = 4235401 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4235401) 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 15 ways as a sum of consecutive naturals, for example, 15611 + ... + 15879.

It is an arithmetic number, because the mean of its divisors is an integer number (330480).

Almost surely, 2^4235405 is an apocalyptic number.

It is an amenable number.

4235405 is a deficient number, since it is larger than the sum of its proper divisors (1052275).

4235405 is a wasteful number, since it uses less digits than its factorization.

4235405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 4235405 is about 2058.0099611032. The cubic root of 4235405 is about 161.7949572722.

The spelling of 4235405 in words is "four million, two hundred thirty-five thousand, four hundred five".