4705639 has 8 divisors (see below), whose sum is σ = 4957920. Its totient is φ = 4457376.

The previous prime is 4705637. The next prime is 4705669. The reversal of 4705639 is 9365074.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4705639 - 2¹ = 4705637 is a prime.

It is a Duffinian number.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1569 + ... + 3445.

It is an arithmetic number, because the mean of its divisors is an integer number (619740).

Almost surely, 2^4705639 is an apocalyptic number.

4705639 is a deficient number, since it is larger than the sum of its proper divisors (252281).

4705639 is a wasteful number, since it uses less digits than its factorization.

4705639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 4705639 is about 2169.2484873799. The cubic root of 4705639 is about 167.5738324539.

The spelling of 4705639 in words is "four million, seven hundred five thousand, six hundred thirty-nine".