4705638 has 32 divisors (see below), whose sum is σ = 10832640. Its totient is φ = 1334880.

The previous prime is 4705637. The next prime is 4705669. The reversal of 4705638 is 8365074.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 4705599 and 4705608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4705637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7293 + ... + 7911.

It is an arithmetic number, because the mean of its divisors is an integer number (338520).

Almost surely, 2^4705638 is an apocalyptic number.

4705638 is an abundant number, since it is smaller than the sum of its proper divisors (6127002).

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

4705638 is a wasteful number, since it uses less digits than its factorization.

4705638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 812.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 4705638 is about 2169.2482568853. The cubic root of 4705638 is about 167.5738205835.

The spelling of 4705638 in words is "four million, seven hundred five thousand, six hundred thirty-eight".